Temat: mutant - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Stability of the activity of Leuconostoc mutants in deep frozen concentrates
Autorzy:: Piątkiewicz, A.
Powiązania:: https://bibliotekanauki.pl/articles/1371449.pdf
Data publikacji:: 1992
Wydawca:: Instytut Rozrodu Zwierząt i Badań Żywności Polskiej Akademii Nauk w Olsztynie
Tematy:: frozen starter
activity
Leuconostoc mesenteroides
fermentation technology
stability
dairy starter
mutant
Leuconostoc lactis
Źródło:: Polish Journal of Food and Nutrition Sciences; 1992, 01, 4; 57-66
1230-0322
2083-6007
Pojawia się w:: Polish Journal of Food and Nutrition Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Variability of seed protein composition of hulless mutants of spring barley [Hordeum vulgare L.]
Autorzy:: Kapala, A
Rybinski, W.
Powiązania:: https://bibliotekanauki.pl/articles/2048149.pdf
Data publikacji:: 1995
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: grain
barley
crude fibre
protein
mutant
spring barley
hull
seed
nutritional value
Opis:: Nutritional value of protein in 146 mutants of hulless spring barley was estimated. Evaluation of protein quality was based on the portion of a relative content of protein fractions with different amino acid composition and, therefore, with different nutritional value. The ratio of albumins, globulins and glutelins to hordein, determining nutritional value of protein in the initial genotype was 1.1; in mutants it was within the range of 0.9-1.5. Several mutants with a high protein content and good nutritional value have been distinguished.
Źródło:: Journal of Applied Genetics; 1995, 36, 2; 129-135
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Genetic variation of hordein polypeptides in grains of mutants of hulless spring barley [Hordeum vulgare L.] breeding line
Autorzy:: Kapala, A
Rybinski, W
Powiązania:: https://bibliotekanauki.pl/articles/2047707.pdf
Data publikacji:: 1996
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: polypeptide spectrum
breeding line
barley
mutant
Hordeum vulgare
hordein polypeptide
hull
Opis:: Hordein polypeptides patterns of 146 mutants in M7 from a hulless spring barley breeding line were examined. The mutants were obtained after treatment of grains of Polish hulless spring barley breeding line, 1N/86, with the chemomutagens N-nitroso-N-methylurea and sodium azide. The mutants were distinguished from the parental line with regard to morphological and yield structure traits. SDS-PAGE of the main hordein fractions, B and C, showed that the electrophoretic patterns of the majority of the analysed mutants were similar to the hordein polypeptide spectrum of the parental line. However, specific hordein patterns were obtained from six of the mutants. In the previous study, the same mutants showed a significantly better feeding value as compared to hulled cultivars and the rest of the analysed mutants.
Źródło:: Journal of Applied Genetics; 1996, 37, 1; 29-35
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Induced isozyme polymorphism in spring barley mutants
Autorzy:: Kucharska, M
Maluszynski, M
Powiązania:: https://bibliotekanauki.pl/articles/2047711.pdf
Data publikacji:: 1996
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: polymorphism
isoenzyme
barley
induced mutant
mutant
Opis:: The usefulness of mutagenic treatment to enlarge isozymic variability of barley and the use of induced mutants for genetic analysis were evaluated. N-methyl-N-nitroso urea, sodium azide and gamma rays were employed as mutagenic agents. Electrophoretic assays of 3848 M₂ seedlings obtained by chemical mutagenic treatment of the spring barley cultivars Dema, Aramir, Bielik and 3100 M₂ seedlings obtained by physical mutagenic treatment of the cv. Dema revealed 70 isozymic mutants, which represent 30 separate mutants in 25 M₁ plants. Most of mutations (27) were induced by chemical mutagen at polymorphic esterase loci. The occurrence of induced mutants at monomorphic loci, Got2 and Lap2, made it possible to perform genetic analysis of those loci in barley including mapping respective genes within chromosomes.
Źródło:: Journal of Applied Genetics; 1996, 37, 1; 1-9
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Estimation of induced mutation rates of four esterase genes in barley [Hordeum vulgare L.]
Autorzy:: Kucharska, M
Maluszynski, M.
Powiązania:: https://bibliotekanauki.pl/articles/2044884.pdf
Data publikacji:: 1998
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: mutation frequency
isoenzyme
barley
hybrid
mutagen
enzyme system
plant morphology
mutant
Hordeum vulgare
esterase
estimation
seed
Opis:: Induced mutation rate of barley esterase loci has been estimated. Results suggested that about 3% of investigated M₁ spikes had seeds which gave rise to M₂ seedlings mutated in one of four esterase loci. M₁ plants were obtained after chemical treatment of seeds from two spring barley cultivars Aramir and Bielik. The majority of mutants were reconfirmed in the М₃ generation.
Źródło:: Journal of Applied Genetics; 1998, 39, 2; 141-145
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Genetic analysis of selected tomato [Lycopersicon esculentum Mill.] traits in crosses between cultivated lines and the nor mutant
Autorzy:: Seroczynska, A
Niemirowicz-Szczytt, K.
Powiązania:: https://bibliotekanauki.pl/articles/2044241.pdf
Data publikacji:: 1998
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: inheritance
shelf life
polygalacturonase gene
Lycopersicon esculentum
nor gene
mutant
heterozygote
tomato breeding
yield
hybrid
ripening
cross
earliness
genetic analysis
fruit weight
Opis:: The aim of the study was to investigate the delayed ripening caused by the nor gene and its possible interaction with selected traits observed in two combinations, namely, Dw₄ x nor and C36 x nor. The lines Dw₄ and C36 differed from each other in the majority of examined characters. There was no significant effect of reciprocal crosses on these characters (total yield, number of fruits, fruit weight, locule number, earliness and fruit shelf life). In Dw₄ x nor fruit weight was inherited with incomplete dominance of small fruit, while in C36 x nor the inheritance proved to be intermediate. This important statement made it possible to distinguish the hybrids characterised by fruit weight intermediate in relation to the parental forms. The experiments attested to the high significance of additive effects for fruit weight, periods from sowing to ripening and from flowering to ripening in both combinations and for locule number in Dw₄ x nor. It was also found that the nor gene slightly delayed the onset of fruit ripening but did not affect such traits as total yield, number and weight of fruits, locule number and period from sowing to flowering. In its homozygous state the nor gene totally inhibited fruit ripening. However, as a heterozygote it revealed an intermediate action, slowing down fruit ripening and prolonging shelf life 2-3 times as compared with standard tomato. The expression of the nor gene was also found to be dependent on the genetic background. Line C36 positively influenced the flavour and firmness of hybrid fruits, while Dw₄ had a negative effect on fruit quality.
Źródło:: Journal of Applied Genetics; 1998, 39, 3; 259-273
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Intermedium mutants in barley [Hordeum vulgare L.] - diversity, interactions and plant breeding value
Autorzy:: Lundqvist, U
Lundqvist, A.
Powiązania:: https://bibliotekanauki.pl/articles/2044458.pdf
Data publikacji:: 1998
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: mutant combination
gene interaction
diversity
barley
mutation
Hordeum vulgare
intermedium gene
plant breeding
Opis:: Mutation research has given an insight into the rather complex genetics of kernel rows in barley. At least 12 gene loci can act to promote the spike development, fertility, and kernel development. Mutants with such effects as sixrow and intermedium phenotypes show clear morphological distinctions among different loci, but also among different allelic mutants. These genes, without exception, are capable of unexpected synergistic reinforcing or disturbing intraction, the extremes being typically six-rowed or deformed spikes, respectively. The investigations have centered on 69 intermedium mutants, representing 9 loci, in double mutant combinations, in double combinations with the six-row gene hex-v, in triple combinations with hex-v, and in triple and quadruple mutant combinations. The effects of the interaction may differ among the three characters of lateral floret development, among intermedium loci, and among alleles of the particular locus. Particular types of gene interaction are indicated, particular loci being more competent than others, and the particular alleles being more competent in relation to the constellation of loci. Accumulation of intermedium genes in more complex gene systems leads to progressive promotion of lateral floret development, but there are indications that such systems may be more sensitive to environmental stress, leading to irregular or even deformed spike formation. Probably, representatives of the hex-v locus should form the fundamental constituent in the synthesis of gene systems with the most efficient promotion of lateral floret development in the breeding of six-row barley.
Źródło:: Journal of Applied Genetics; 1998, 39, 1; 85-96
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Linkage of two mutant allozymes for Amp2 and Aat2 with marker loci on barley [Hordeum vulgare L.] chromosomes 1 and 6
Autorzy:: Kucharska, M
Kaczorowska, K.
Ali, E.S.
Powiązania:: https://bibliotekanauki.pl/articles/2048291.pdf
Data publikacji:: 1998
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: chromosome
starch
isoenzyme
barley
linkage
gel electrophoresis
mutant
allozyme
genetic analysis
Hordeum vulgare
genetic marker
Opis:: To saturate barley (Hordeum vulgare L.) genetic maps the linkage relationships of two isoenzyme loci Amp2 (aminopeptydase) and Aat2 (aspartate aminotransferase) with known genetic markers were investigated. Results of the genetic analysis support previous information on the localization of these loci on chromosome 1 and 6, respectively. The following recombination values were estimated: between locus Amp2 and T1-3b translocation break point 13.8 ± 2.1%, between locus Aat2 and translocation T6-7i, 17 ± 3.0% and between locus Aat2 and marker о 24.1 ± 3.0%.
Źródło:: Journal of Applied Genetics; 1998, 39, 2; 147-150
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Rice improvement, involving altered flower structure more suitable to cross-pollination, using in vitro culture in combination with mutagenesis
Autorzy:: Min, S K
Powiązania:: https://bibliotekanauki.pl/articles/2048292.pdf
Data publikacji:: 1998
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: japonica rice
radiation
China
mutagenesis
mutant
anther culture
in vitro
cross-pollination
hybridization
indica rice
somatic cell
Oryza sativa
rice
Opis:: Anther and somatic tissue culture in combination with mutagenesis were carried out to evaluate the efficiency of different mutagenic treatments of various in vitro culture materials, and to obtain some promising variants for rice improvement. Results indicated that in japonica rice radiation treatment of dry seeds and young panicles influenced the percentage of green plantlets regeneration from anther culture. Both treatments increased significantly the percentage of regenerated green plantlets in comparison with the control. Irradiation with 30 Gy of rice callus increased also the percentage of regenerated green plantlets. For indica rice, the combination of the suitable dose of gamma rays irradiation on seeds and an improved medium, increased the percentage of callus induction. This approach made it possible to use anther culture in indica rice breeding. Somatic tissue cultures combined with radiation-induced mutagenesis led to the development of a number of promising mutants including some new cytoplasm-nucleus interacting male-sterile lines with almost 100% stigma exsertion. Their development would be of practical significance for increasing the genetic diversity for production of hybrid rice.
Źródło:: Journal of Applied Genetics; 1998, 39, 2; 151-162
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Somaclonal selection of physiological mutants and several problems related to rice cell breeding
Autorzy:: Kinoshita, T
Mori, K.
Powiązania:: https://bibliotekanauki.pl/articles/2044460.pdf
Data publikacji:: 1998
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: chromosome variation
japonica rice
Oryza
African rice
physiological mutant
gamma-radiation
anther culture
hybrid plant
protoplast isolation
callus induction
callus formation
aneuploidy
indica rice
herbicide tolerance
hybrid
Kitaake cultivar
gametoclonal variation
somatic hybrid
rice
Opis:: Tolerance to a new herbicide, pyributycarb, was evaluated both at the plant and cellular levels. Several highly or moderately tolerant strains chosen at the plant level, showed a parallel relation of to tolerance at the cellular level. However, on the whole, correlation between total tolerance indices and survival rates of calli was not significant in 18 out of the 80 studied strains. As a result of somaclonal selection for two herbicides, lines NB-200 and NM-100 were regenerated from the tolerant calli screened with benthiocarb at 200 ppm, and molinate at 100 ppm, respectively. In the R₂ generation, both the lines displaned a stable tolerance both at the plant and cellular levels. Thus the highly tolerant mutant lines were developed from a moderately tolerant line, N-61, via in vitro selection. To achieve a short-cut method in the interspecific genetic exchange, a series of techniques related to cell fusion were established in rice and related species. Two kinds of somatic hybrids between the cultivar Kitaake and tetraploid Oryza species, O. punctata and O. officinalis, were successfully produced. Among the somatic hybrid plants, a wide range of chromosomal variation was observed. Aneuploid plants with a chromosome number around 2n = 72 (hexaploid), which are expected from a symmetric fusion between diploid and tetraploid strains, were obtained showing mixoploidy within a plant. Most of the somatic hybrids were characterized by intermediate features of plant-type showing high sterility, shattering of spikelets and reduced plant height. As an exception, a diploid plant, which was identified by RFLP analysis using the rDNA gene probe, closely resembled Kitaake and produced viable seeds. A tetraploid hybrid plant was also promising for the introduction of economically important characters through the reduction of chromosome numbers by doubled haploids. Gametoclonal variation and gamma radiation was applied to Kitaake. The mutation frequency was prominently increased by gamma ray treatment, especially at high doses of 200 Gy or 300 Gy. In the M₃R₂ or M₄R₃ generations, most of the variants showed unfavourable characters. Most of the mutant characters were governed by single or double recessive genes. Several mutants such as short culm and early flowering time might be used for rice breeding.
Źródło:: Journal of Applied Genetics; 1998, 39, 1; 9-35
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Variability of yield structure and of physical traits determining lodging resistance in barley mutants
Autorzy:: Rybinski, W.
Jezowski, S.
Krajewski, P.
Powiązania:: https://bibliotekanauki.pl/articles/24434.pdf
Data publikacji:: 1998
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: yield structure
physical parameter
stem
lodging resistance
mutant
barley mutant
Źródło:: International Agrophysics; 1998, 12, 3
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Charakterystyka mutantow soi otrzymywanych po zastosowaniu mutagenow chemicznych i fizycznych
Autorzy:: Nawracala, J
Powiązania:: https://bibliotekanauki.pl/articles/834323.pdf
Data publikacji:: 2000
Wydawca:: Instytut Hodowli i Aklimatyzacji Roślin
Tematy:: mutanty
soja
genetyka roslin
mutageneza
mutant
soybean
plant genetics
mutagenesis
Źródło:: Rośliny Oleiste - Oilseed Crops; 2000, 21, 1; 33-45
1233-8273
Pojawia się w:: Rośliny Oleiste - Oilseed Crops
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Indukowanie zmiennosci cech jakosciowych oleju gorczycy bialej [Sinapis alba L.]
Autorzy:: Olejniczak, J
Adamska, E.
Powiązania:: https://bibliotekanauki.pl/articles/833002.pdf
Data publikacji:: 2000
Wydawca:: Instytut Hodowli i Aklimatyzacji Roślin
Tematy:: mutanty
gorczyca biala
zmiennosc cech
tokoferole
genetyka roslin
kwasy tluszczowe
oleje
cechy jakosciowe
mutant
white mustard
trait variability
tocopherol
plant genetics
fatty acid
oil
quality trait
Źródło:: Rośliny Oleiste - Oilseed Crops; 2000, 21, 2; 641-647
1233-8273
Pojawia się w:: Rośliny Oleiste - Oilseed Crops
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Influence of laser beams on the variability of traits in spring barley
Autorzy:: Rybinski, W.
Powiązania:: https://bibliotekanauki.pl/articles/24451.pdf
Data publikacji:: 2000
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:: variability
yield structure
chlorophyll mutant
laser
barley
biostimulation effect
genetic change
mutation
mutant
spring barley
Hordeum vulgare
plant
Źródło:: International Agrophysics; 2000, 14, 2
0236-8722
Pojawia się w:: International Agrophysics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Mutanty rzepaku ozimego podwojnie ulepszonego o zmienionym skladzie kwasow tluszczowych.
Autorzy:: Spasibionek, S
Byczynska, B.
Krzymanski, J.
Powiązania:: https://bibliotekanauki.pl/articles/833704.pdf
Data publikacji:: 2000
Wydawca:: Instytut Hodowli i Aklimatyzacji Roślin
Tematy:: mutanty
kwas oleinowy
kwasy tluszczowe
kwas linolenowy
kwas linolowy
rzepak dwuzerowy
EMS
rzepak ozimy
desaturaza
mutant
oleic acid
fatty acid
linolenic acid
linoleic acid
double-improved cultivar
rape
ethyl methanesulphonate
desaturase
Źródło:: Rośliny Oleiste - Oilseed Crops; 2000, 21, 3; 715-724
1233-8273
Pojawia się w:: Rośliny Oleiste - Oilseed Crops
Dostawca treści:: Biblioteka Nauki

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