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Wyszukujesz frazę "genetic fingerprinting" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Application of molecular techniques for the assessment of microorganism diversity on cultural heritage objects
Autorzy:
Otlewska, Anna
Adamiak, Justyna
Gutarowska, Beata
Powiązania:
https://bibliotekanauki.pl/articles/1039279.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
molecular techniques
microbial diversity
metagenomics
genetic fingerprinting
cultural heritage
biodeterioration
Opis:
As a result of their unpredictable ability to adapt to varying environmental conditions, microorganisms inhabit different types of biological niches on Earth. Owing to the key role of microorganisms in many biogeochemical processes, trends in modern microbiology emphasize the need to know and understand the structure and function of complex microbial communities. This is particularly important if the strategy relates to microbial communities that cause biodeterioration of materials that constitute our cultural heritage. Until recently, the detection and identification of microorganisms inhabiting objects of cultural value was based only on cultivation-dependent methods. In spite of many advantages, these methods provide limited information because they identify only viable organisms capable of growth under standard laboratory conditions. However, in order to carry out proper conservation and renovation, it is necessary to know the complete composition of microbial communities and their activity. This paper presents and characterizes modern techniques such as genetic fingerprinting and clone library construction for the assessment of microbial diversity based on molecular biology. Molecular methods represent a favourable alternative to culture-dependent methods and make it possible to assess the biodiversity of microorganisms inhabiting technical materials and cultural heritage objects.
Źródło:
Acta Biochimica Polonica; 2014, 61, 2; 217-225
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic diversity among ethiopian coffee (Coffea Arabica L.) collections available in indian gene bank using sequence related amplified polymorphism markers
Autorzy:
Mishra, Manoj Kumar
Nishani, Sandhyarani
Gowda, Madhura
Padmajyothi, Dandamudi
Suresh, Narayana
Sreenath, Hosahalli
Raghuramulu, Y.
Powiązania:
https://bibliotekanauki.pl/articles/2199612.pdf
Data publikacji:
2014-12-18
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
Coffea arabica L.
Ethiopian germplasm
Fingerprinting
Genetic diversity
SRAP marker
Opis:
The South-Western highlands of Ethiopia are considered to be the centre of origin and diversity of the arabica coffee, Coffea arabica. More than 80 accessions of arabica coffee collected from Ethiopia are avail-able in Indian gene bank. However, the genetic diversity of these accessions is not studied in detail. In the present study, genetic diversity analysis of 48 accessions collected from eight provinces of Ethiopia was car-ried out using Sequence-related amplified Polymorphism (SRAP) marker. Among the thirty two SRAP primer combinations tested, 14 primer pairs were polymorphic and generated 203 distinct fragments. The number of fragments ranged from 7 to 21 with a mean of 14.5 fragments per primer combination. Of the total 203 ampli-fied fragments, 182 (89.65%) were polymorphic and the percent of polymorphism ranged from 53.84% to a maximum of 100% using different primers. The average resolving power (Rp) and average polymorphism information content (PIC) of the 14 SRAP primer combinations was 14.31 and 0.648 respectively. A total of 13 rare alleles were obtained from SRAP assays, of which six rare alleles were obtained from the accessions collected from Shoa province.The UPGMA clustering algorithm from SRAP analysis grouped the 48 coffee accessions into two major clusters. The accessions collected from particular province clustered together which could be attributed to the substantial gene flow between adjacent population and the influence of geographical origin on genetic diver-sity. The study demonstrated the existence of substantial genetic variation in Ethiopian germplasm which could be utilized in coffee germplasm conservation and improvement program.
Źródło:
Plant Breeding and Seed Science; 2014, 70; 29-40
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genetic diversity of inbred rye lines evaluated by RAPD analysis
Autorzy:
Myskow, B
Masojc, P.
Banek-Tabor, A.
Szolkowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2041926.pdf
Data publikacji:
2001
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
random amplified polymorphic DNA
rye line
rye
Secale cereale
fingerprinting
hybrid rye
hybrid cultivar
genetic information
genetic similarity
plant breeding
Źródło:
Journal of Applied Genetics; 2001, 42, 1; 1-14
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
ISSR analysis of chosen Gleditsia accessions obtained from Polish collections
Autorzy:
Smolik, M
Kubus, M.
Powiązania:
https://bibliotekanauki.pl/articles/41549.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
ISSR technique
Gleditsia
Polish collection
genetic variability
fingerprinting
dendrology
Polska
Opis:
Species of Gleditsia show considerable morphological variability that makes them difficult to distinguish using either vegetative or floral characters. Honeylocusts, especially the thornless cultivars, are popular ornamental, shade, street, attractive landscape trees. In this study the ISSR technique was used to evaluate the range of genetic variability between seven genotypes of Gleditsia cultivated in Polish dendrological collections [Gleditsia caspica Desf., Gleditsia japonica Miq., Gleditsia japonica Miq. var. korainensis (= G. korainensis Nakai), Gleditsia triacanthos L., Gleditsia triacanthos L. (bulk), Gleditsia triacanthos f. inermis (L.) Zabel (bulk). Forty ISSR primers were tested and 18 were selected for their ability to produce clear and reproducible patterns of multiple bands.A total of 177 loci of 260-2600 bp were amplified, of which 89 (50%) were polymorphic, 14 (8%) monomorphic and 74 (42%) were accession-specific. Accession-specific ISSR loci were obtained for all of the seven accessions tested. A dendrogram generated using the UPGMA, based on a similarity measure of total character difference, showed that the Gleditsia accessions were clustered into two main groups (‘a’ and ‘b’). The first grup –‘a’– included: Gleditsia triacanthos L., Gleditsia triacanthos L. (bulk) and Gleditsia triacanthos f. inermis (L.) Zabel (similarity 0.61–0.75), the second –‘b’– included 2 species: Gleditsia japonica and Gleditsia japonica var. korainensis (similarity 0.43). Analysis of the phylogenetic similarity dendrogram has shown wide range of diversity between studied accessions. The clustering pattern obtained in our experiment was in agreement with the data based on morphological, allozyme and ITS analysis.
Źródło:
Dendrobiology; 2009, 62; 63-70
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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