Temat: Cassava - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Effects of climatic variability on cassava production in Nigeria
Autorzy:: Sowunmi, Fatai Abiola
Adeyemi, Oluwaseun Temitope
Bello, Abeeb Adetunji
Powiązania:: https://bibliotekanauki.pl/articles/1891923.pdf
Data publikacji:: 2020-11-08
Wydawca:: Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane
Tematy:: cassava production
co-integration
agro-ecological zones
climatic variables
Opis:: Climate change has brought about irregularity in pattern and intensity of climatic variables such as rainfall and temperature that are important in crop production; making planning in agriculture difficult. The importance of cassava in the diet of Nigerian and its industrial use necessitate the need to examine the effects of climatic variability on cassava production. Secondary data obtained from Nigerian Meteorological Agency (NIMET) were used for the study. Analysis of Variance and Error Correction model were utilized. The study showed that the rainforest zone had the highest averages of annual rainfall (1709mm) and relative humidity (82.1%) while the Sahel savannah had the highest mean annual temperature (35.3oC). The variability in annual rainfall and relative humidity was low in the rainforest zone. The study showed that the rainforest zone had the least dispersion of average annual relative humidity (2.06%) while the guinea savannah had highest dispersion (4.68%). The average cassava output from the agro-ecological zones was 49,118,871MT per year. Rainforest and guinea savannah accounted for 56.3% and 41.9% of total cassava output respectively. There were significant variations in the climatic variables (rainfall and temperature) among the agro-ecological zones but not significant among the years (p>0.05). The annual rainfall and solar radiation were the factors that influenced cassava output in all the agro-ecological zones. The need for affordable irrigation by cassava farmers and the adoption of Climate-Smart Agriculture are recommended to boost cassava production in Sudan savannah and Sahel savannah.
Źródło:: Journal of Agribusiness and Rural Development; 2020, 57, 3; 327-335
1899-5241
Pojawia się w:: Journal of Agribusiness and Rural Development
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Identification and Characterization of Potential Feedstock for Biogas Production in South Africa
Autorzy:: Sawyerr, Nathaniel
Trois, Cristina
Workneh, Tilahun
Powiązania:: https://bibliotekanauki.pl/articles/124128.pdf
Data publikacji:: 2019
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: Cassava
fruit and vegetable
anaerobic co-digestion
biogas
methane theoretical production
Opis:: Biogas is produced during anaerobic digestion (AD) of biodegradable organic materials and is considered a promising renewable energy resource. Feedstocks are essential to ensure the successful anaerobic digestion in biogas digesters. Therefore, the search of appropriate substrates has come into focus. In this study, we examined the potential substrates that could be used as feedstock for the successful operation of an anaerobic digester. The approach used in this study was to identify the potential feedstocks that can be converted into value-added products. The identification of the feedstocks was done based on classification and evaluation of the theoretical biogas and methane production during the digestion process. The results show that all the considered substrates exhibited the biogas theoretical yield, with cattle manure producing the highest yield (0.999 m³/kg VS), whereas the lowest biogas yield (0.949 m³/kg VS) was obtained from cassava peels. It was concluded that the use of cassava co-digested with fruit and vegetable waste as an alternative feedstock offers a greater potential in terms of biogas production and could thus be implemented in the biogas projects running with cow dungs inside South Africa, especially in rural communities.
Źródło:: Journal of Ecological Engineering; 2019, 20, 6; 103-116
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Paper-sawdust composites: fabrication and comparison in terms of heat transfer and strength properties
Kompozyty papierowo-trocinowe: wytwarzanie i porównanie właściwości cieplnych i wytrzymałościowych
Autorzy:: Robert, Ubong Williams
Ekong, Sylvester Andrew
Akpan, Samuel Sunday
Etuk, Sunday Edet
Inyang, Namdie Joseph
Agbasi, Okechukwu Ebuka
Powiązania:: https://bibliotekanauki.pl/articles/2203971.pdf
Data publikacji:: 2023
Wydawca:: Politechnika Świętokrzyska w Kielcach. Wydawnictwo PŚw
Tematy:: cassava effluent
ceiling
flexural strength
nailability
thermal conductivity
water absorption
ścieki z manioku
strop
wytrzymałość na zginanie
zdolność do przybijania gwoździ
przewodność cieplna
absorpcja wody
Opis:: This study was designed to examine the feasibility of recycling cassava effluent, sawdust, and unused paper products to enhance their utilization for beneficial purpose. Waste newspaper paste (WNP), Waste writing-paper paste (WWP), and Waste carton paper paste (WCP) were prepared and then used separately to similarly fabricate composite panels with Sawdust particle (SDP) proportioned at 0%, 25%, 50%, 75%, and 100% by weight. The binder used was cassava starch slurry prepared from the effluent. Bulk density, water absorption, thermal conductivity, specific heat capacity, thermal diffusivity, nailability, and flexural strength were determined for the developed samples. From the results obtained, the samples were found to be light-weight and their thermal insulation performance improved with increasing proportions of the SDP. Though samples containing the WCP exhibited the best satisfactory performance, it was found that all the studied samples could perform more effectively and efficiently as ceilings compared to some of those reported in the literature. From scientific-economic viewpoint, valorizing the above-mentioned wastes as described in this paper could help to protect the environment and also yield value-added insulation ceilings for enhancement of sustainable building construction especially in tropical areas.
Celem pracy było określenie możliwości recyklingu ścieków z manioku, trocin i odpadowych materiałów papierniczych w celu ich szerszego wykorzystania. Nitki z makulatury gazetowej (WNP), nitki z makulatury z papieru do pisania (WWP) i nitki z makulatury z kartonu (WCP) zostały przygotowane, a następnie użyte osobno do wytworzenia paneli kompozytowych z dodatkiem trocin (SDP) przy udziale masowym 0%, 25%, 50 %, 75% i 100%. Zastosowanym spoiwem była przygotowana z odcieku zawiesina skrobi z manioku. Dla przygotowanych próbek określono gęstość nasypową, nasiąkliwość, przewodność cieplną, ciepło właściwe, dyfuzyjność cieplną, zdolność do wbijania gwoździ i wytrzymałość na zginanie. Na podstawie uzyskanych wyników stwierdzono, że próbki miały małą gęstość objętościową, a ich właściwości termoizolacyjne poprawiały się wraz ze wzrostem udziału trocin (SDP). Chociaż próbki zawierające WCP wykazywały najlepsze właściwości, stwierdzono, że z wszystkich badanych próbek można wytworzyć sufity o lepszych właściwościach w porównaniu z podobnymi opisanymi w literaturze. Z naukowo-ekonomicznego punktu widzenia zastosowanie wyżej wymienionych odpadów, jak opisano w tym artykule, może pomóc w ochronie środowiska, a także w uzyskaniu bardziej ciepłochronnych stropów, a co za tym idzie przyczyni się do rozwoju bardziej zrównoważonego budownictwa, zwłaszcza w obszarach tropikalnych.
Źródło:: Structure and Environment; 2023, 15, 1; 38--48
2081-1500
Pojawia się w:: Structure and Environment
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Enhanced mass regeneration of pro-vitamin A cassava (Manihot esculenta Crantz) varieties through multiple shoot induction from enlarged axillary buds
Autorzy:: Opabode, J.T.
Powiązania:: https://bibliotekanauki.pl/articles/80396.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: mass propagation
provitamin A
cassava
Manihot esculenta
genetic fidelity
6-benzylaminopurine
alpha-naphthalene acetic acid
indole butyric acid
shoot induction
axillary bud
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2017, 98, 4
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Somatic embryogenesis and genetic uniformity of regenerated cassava plants from low-temperature preserved secondary somatic cotyledons
Autorzy:: Opabode, J.T.
Ajibola, O.V.
Oyelakin, O.O.
Akinyemiju, O.A.
Powiązania:: https://bibliotekanauki.pl/articles/79828.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: cassava
Manihot esculenta
somatic embryogenesis
plant regeneration
cotyledon
organogenesis
DNA extraction
RAPD marker
dehydration
low temperature
regeneration
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2015, 96, 3
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Machine learning predictive modeling of the price of cassava derivative (GARRI) in the South West Of Nigeria
Autorzy:: Olanloye, O.
Oduntan, E.
Powiązania:: https://bibliotekanauki.pl/articles/118266.pdf
Data publikacji:: 2018
Wydawca:: Polskie Towarzystwo Promocji Wiedzy
Tematy:: fluctuation
prices
machine learning
predictive model
cassava derivative
fluktuacja
ceny
nauczanie maszynowe
model predykcyjny
pochodna manioku
Opis:: Fluctuation in prices of Agricultural products is inevitable in developing countries faced with economic depression and this, has brought a lot of inadequacies in the preparation of Government financial budget. Consumers and producers are poorly affected because they cannot take appropriate decision at the right time. In this study, Machine Learning(ML) predictive modeling is being implemented using the MATLAB Toolbox to predict the price of cassava derivatives (garri) in the South Western part of Nigeria. The model predicted that by the year 2020, all things being equal, the price of (1kg) of garri will be 500. This will boost the Agricultural sector and the economy of the nation.
Źródło:: Applied Computer Science; 2018, 14, 1; 53-63
1895-3735
Pojawia się w:: Applied Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Application of Cassava Peels Activated Carbon in the Treatment of Oil Refinery Wastewater – A Comparative Analysis
Autorzy:: Oghenejoboh, K. M.
Otuagoma, S. O.
Ohimor, E. O.
Powiązania:: https://bibliotekanauki.pl/articles/125348.pdf
Data publikacji:: 2016
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: cassava peels
activated carbon
adsorption
refinery wastewater
environment
pollutant
Opis:: A comparative analysis of the efficiency of activated carbon produced from fermented cassava peels (CPB), unfermented cassava peels (CPA) and commercial grade activated carbon (CAC) in the treatment of refinery wastewater was carried out. CPB was found to be 8% and 18% more efficient when compared to CPA and CAC in the removal of COD, and 14% and 3% better than CAC and CPA respectively in the removal of BOD5. The removal efficiency of Pb²⁺ by CPB was 100% compared to 95% and 57% by CPA and CAC while 96% of phenol was removed by CPB against 93% and 83% by CPA and CAC respectively. This better performance of CPB over CPA and CAC is not unconnected with its higher pH resulting from the removal of cyanide from the peels during the fermentation process. However, despite the high phenol removal efficiency by CPB, the concentration of phenol in the treated effluent does not meet the environmental guidelines for disposal. It is therefore, recommended that a two-stage CPB adsorption column arranged in series is necessary to treat refinery wastewater efficiently if it is desired to totally remove phenol from the effluent or reduce the concentration to 0.005 mg/l allowed by the Federal environmental protection agency (FEPA). The equilibrium adsorption test conducted showed that the Freundlich isotherm is a better fit for the adsorption of phenol by the three activated carbons with correlation coefficients (R2) of 0.9364, 0.9383 and 0.9541 for CAC, CPA and CPB respectively. CPB was found to be a better adsorbent as it has the highest adsorptive capacity as evidenced from its better Freundlich exponent.
Źródło:: Journal of Ecological Engineering; 2016, 17, 2; 52-58
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: The use of microorganisms in increasing the protein yield of cassava (Manihot esculenta Crantz) peel wastes
Autorzy:: Ogbonnaya, N.
Anya, F. O.
Eze, I. C.
Powiązania:: https://bibliotekanauki.pl/articles/778926.pdf
Data publikacji:: 2013
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: Cassava peel
hydrolysis methods
protein enrichment
Opis:: Growth and microbial protein production on hydrolyzed cassava peel waste by Trichoderma viride and Lactobacillus delbrueckii NRRL B-763 were investigated. Trichoderma viride was selected based on its high cellulase activity on filter paper (2.91 mg glucose/mL), cotton wool (3.08 mg glucose/mL) and carboxymethylcellulose (3.46 mg glucose/ mL) while Lactobacillus delbrueckii NRRL B-763 produced 5.84 mg protein/g in cassava peel after 72 h. Samples of cassava peel were hydrolyzed with the solutions of HCl, H2SO4 and NaOH at 0.5% concentration. The hydrolysate was neutralized to pH 6.5 and supplemented with KH2PO4 (5% w/v), urea (2.7% w/v) and (NH4)2SO4 (9% w/v). The hydrolysates produced by the solutions of HCl contained higher reducing sugar and soluble sugar content than H2SO4 and NaOH hydrolysates. The culture of Trichoderma viride was used in single culture fermentation of hydrolyzed cassava peels or in mixed culture fermentation with Lactobacillus delbrueckii NRRL B-763. Protein yield produced in 0.5% HCl hydrolysates was significantly (p ≤ 0.01) higher than that in H2SO4. The unhydrolyzed control samples produced the lowest protein. This study demonstrated the potential of cassava peel waste as a substrate for a recycling process and by- product recovery.
Źródło:: Polish Journal of Chemical Technology; 2013, 15, 2; 112-115
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Genetic assessment of 23 cassava, Manihot esculenta Crantz, genotypes at two agroclimatic zones in Nigeria
Autorzy:: Oduwaye, O.A.
Ojo, D.K.
Mkumbira, J.
Alake, C.O.
Adenuga, O.
Mapayi, E.F.
Powiązania:: https://bibliotekanauki.pl/articles/2199725.pdf
Data publikacji:: 2012-12-20
Wydawca:: Instytut Hodowli i Aklimatyzacji Roślin
Tematy:: cassava
FASTCLUS
morphological performance
G × E interaction
Opis:: This study investigated genetic diversity among 23 cassava genotypes in two-agro-ecological zones (Ibadan and Mokwa), Nigeria. The experiment was conducted using a randomized complete block design with three replicates. The cassava genotypes were evaluated for tuber yield, fresh weight of tuber, number of tu- bers, tuber girth and length, dry matter and chlorophyll concentration. The data collected were subjected to analysis of variance and differences among the genotypes were computed using Duncan’s multiple range test. Single linkage cluster and FASTCLUS analysis were used to group the cassava genotypes. Genotypic and phenotypic coefficient of variability, heritability and genetic advance were also evaluated. Genotype, environ- ment and genotype × environment interaction (GEI) were significant (P < 0.01) for most of the traits evalu- ated. The magnitude of the environment was higher compared to genotype and GEI. Comparative mean per- formance varied from location to location. Tuber yield ranged from 0.32 for 92/0325 to 0.90 kg for 99/3073 with mean of 0.58 kg, and 0.16 kg for 82/00058 to 0.67 kg for 98/0581 with mean of 0.35 kg in Mokwa. Higher genotypic and phenotypic coefficients of variability were observed in Ibadan than Mokwa, for most of the characters. The interrelationships among the characters revealed the superiority of some cassava genotypes for a character in one location and not in the other location. However, breeding potentials exists among the cassava genotypes across the two environments.
Źródło:: Plant Breeding and Seed Science; 2012, 67; 103-114
1429-3862
2083-599X
Pojawia się w:: Plant Breeding and Seed Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Market participation and food security of cassava farmers in rural South West Nigeria
Autorzy:: Obisesan, A.A.
Powiązania:: https://bibliotekanauki.pl/articles/44504.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane
Tematy:: market
cassava
farmer
small farm
rural area
agriculture
food insecurity
Nigeria
Źródło:: Journal of Agribusiness and Rural Development; 2018, 47, 1
1899-5241
Pojawia się w:: Journal of Agribusiness and Rural Development
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Multidimensional analysis of the pelletability of feeds and feed mixtures
Autorzy:: Laskowski, J.
Le Deschault de Monredon, F.
Soumah, A.T.
Powiązania:: https://bibliotekanauki.pl/articles/26063.pdf
Data publikacji:: 1997
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: multidimensional analysis
alfalfa
pelletability
raw material
pellet cohesion
cassava
soybean
feed mixture
maize
rice
feed
Źródło:: International Agrophysics; 1997, 11, 3
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Packed-Bed Column Adsorption of Metanil Yellow (MY) from Simulated Wastewater using Granular NaOH-Activated Carbon from Cassava (Manihot esculenta) Peels
Autorzy:: Isiuku, B. O.
Horsfall Jr., M.
Powiązania:: https://bibliotekanauki.pl/articles/1113587.pdf
Data publikacji:: 2017
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Adsorption
cassava peels
fixed-bed
metanil yellow
modeling
Opis:: The ability of NaOH-activated carbon derived from cassava peels waste to remove MY from aqueous solution was carried out in a fixed-bed column adsorber. The parameters studied included initial solution concentration, Co, carbon bed height and volume flow rate. The temperature of operation and initial solution pH were 29 °C and 5.32, respectively. The optimum adsorption capacity, qe 4.12 mg/g was obtained at Co 10mg/L, bed height 10cm and flow rate, 13.3ml/min. Experimental data were analyzed with Langmuir, Freundlich and Temkin isotherm, as well as the Thomas, Yoon-Nelson and Clark kinetic models. All the models were good fits for experimental data based on correlation coefficient, R2 values. The ΔGads and Freundlich n (1.587) show that the biosorption was spontaneous, good and physical. Results show that NaOH-activated carbon from cassava peels has low capacity to remove MY from aqueous solutions.
Źródło:: World News of Natural Sciences; 2017, 14; 11-35
2543-5426
Pojawia się w:: World News of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Yield Response of Cassava-Okra Intercrop as Influenced by Population Densities and Time of Introducing Okra in Makurdi, Nigeria
Autorzy:: Ijoyah, M. O.
Usman, A. U.
Odiaka, N. I.
Powiązania:: https://bibliotekanauki.pl/articles/1193962.pdf
Data publikacji:: 2015
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Abelmoschus esculentus
Euphorbiaceae
Guinea savannah
Makurdi
Malvaceae
Manihot esculenta
cassava
intercropping
okra
planting dates
population density
Opis:: A field experiment was conducted from June to March in years 2013/2014 and 2014/2015 at the Research Farm, University of Agriculture, Makurdi, Nigeria, to evaluate the yield response of cassava-okra intercrop as influenced by population densities and time of introducing okra, as well as assessing the yield advantages of the intercropping system. The experiment was a 3 x 3 factorial combination of treatments, fitted in a randomized complete block design, with four replications. The population densities of okra (33,333, 40,000 and 50,000 plants ha-1 equivalent) into cassava constituted the main plots, while the time of introducing okra into cassava (okra sown at the same time with cassava in mid June; okra introduced into cassava in mid July and okra introduced into cassava in mid August) were assigned to the subplots. Results of study showed that sowing okra at the same time as cassava in mid June, at the population density of 33,333 plants ha-1 produced the highest yields of cassava (46.8 t ha-1 and 39.2 t ha-1 respectively in years 2013 and 2014) and okra (7.7 t ha-1 and 7.5 t ha-1 respectively in years 2013 and 2014) in a cassava-okra intercrop. This level of interaction also gave the highest total intercrop yields, highest land equivalent coefficient (LEC) values, highest land equivalent ratio (LER) values of 1.86 and 1.84 and highest percentage (%) land saved (46.2 % and 45.7 %) respectively recorded in years 2013 and 2014. The implication of study showed that it is most advantageous having both crops in intercrop when okra was sown at the same time as cassava in mid June, at the population density of 33,000 plants ha-1. This should therefore be recommended for Makurdi location, Nigeria.
Źródło:: World Scientific News; 2015, 18; 93-114
2392-2192
Pojawia się w:: World Scientific News
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Microorganism Associated with Cassava Fermentation for Abacha Product Sold in Owerri, Imo State
Autorzy:: Ihenetu, Francis Chukwuebuka
Ihenetu, Stanley Chukwuemeka
Ohalete, Chinyere N.
Njoku-Obi, Treasure Njideka
Okereke, Bright Chinemerem
Powiązania:: https://bibliotekanauki.pl/articles/1113923.pdf
Data publikacji:: 2017
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Abacha
Bacteria and fermentation
Cassava
Fermentation
Microorganism
Opis:: The microorganism associated with cassava fermentation for producing Abacha was investigated using four different Farms in Owerri (Obinze, Umugwuma, Urata and Orji) as sample collection areas. Four of the cassava tubers that harvested, were washed, cooked and soaked with water after cutting to produce Abacha, which was then fermented using standard microbiological methods. The wastewater was subsequently sampled. All the samples A, B, C, and D showed significant bacteria growth after application of NA, MRS, PDA. In the study, six bacteria and fungi isolates were identified: Escherichia coli, Staphylococcus aureus, Lactobacillus spp, Candida spp., Aspergillus spp. and Bacillus spp. Results showed that the total heterotrophic bacteria count of the sample varies within 8.0×1010 to 2.5×1012 and total fungi count (TFC) ranges from 6.6×109 to 9.6×109. The study also showed that Lactobacillus spp. and Escherichia coli had the highest prevalence occurrence of 75.00% (P < 0.05), while Staphylococcus aureus, Saccharomyces spp., Bacillus spp. and Candida spp. had a percentage occurrence of 50.00%, respectively. There is, therefore, urgent need for public enlightenment on public health implications, need for proper hygiene, as well as need for strategies for preventing and controlling the microorganisms which do not play a role in the fermentation of cassava for Abacha production.
Źródło:: World News of Natural Sciences; 2017, 12; 43-50
2543-5426
Pojawia się w:: World News of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Structural analyses of AC4 protein of Sri Lankan cassava mosaic virus
Autorzy:: Gupta, S.
Ganguli, S.
Basu, P.
Datta, A.
Powiązania:: https://bibliotekanauki.pl/articles/11568.pdf
Data publikacji:: 2015
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: structural analysis
AC4 protein
cassava mosaic virus
RNA silencing
viral infection
viral suppressor
geminivirus
post transcriptional gene silencing
Opis:: RNA silencing is one of the important phenomenon in plant defense mechanism, it actively protect host plants against viral infections. Existing viruses must have developed counter defense strategies to survive this arms race. Such counter defense strategy is the viral silencing suppressor (VSRs) which have been reported to directly interfere with the various steps leading to the interference of viral RNAs. Most identified VSRs are multifunctional, besides being RNA-silencing suppressors, they often perform essential roles by functioning as coat proteins, helper components for viral transmission, replicases and movement proteins, proteases or transcriptional regulators. One such identified VSR is AC4 of Sri Lankan cassava mosaic virus strain. Trivial knowledge about the structure –function relationship of this VSR leads to this work, where we focus on the structure generation by modelling to identify the mode of interactions with the various effector molecules of the silencing pathways. Structural analyses have been performed to screen interacting residues. Results indicate conserved structural features which signify propensity of functional interactions and further shows that this VSR can be a potent tool for the analysis of RNA silencing mechanisms and the relationships between different silencing pathways and VSRs.
Źródło:: International Letters of Natural Sciences; 2015, 06
2300-9675
Pojawia się w:: International Letters of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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