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Keywords = kielecka

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11 pages, 1755 KiB  
Article
Polymorphism of the Myostatin (MSTN) Gene in Landes and Kielecka Geese Breeds
by Grzegorz Smołucha, Anna Kozubska-Sobocińska, Anna Koseniuk, Kacper Żukowski, Mirosław Lisowski and Bartosz Grajewski
Animals 2020, 10(1), 10; https://doi.org/10.3390/ani10010010 - 19 Dec 2019
Cited by 8 | Viewed by 4455
Abstract
Myostatin, also known as growth differentiation factor 8 (GDF8), belongs to the TGF- β superfamily of proteins. MSTN is a highly conserved protein that acts as a negative regulator of skeletal muscle growth. Loss of myostatin functionality causes the phenotype to appear in [...] Read more.
Myostatin, also known as growth differentiation factor 8 (GDF8), belongs to the TGF- β superfamily of proteins. MSTN is a highly conserved protein that acts as a negative regulator of skeletal muscle growth. Loss of myostatin functionality causes the phenotype to appear in the form of ‘double musculature’, among others in cattle, sheep, and house mice. The presented results of the research were carried out on two geese breeds—Landes and Kielecka. The aim of the study was to identify mutations in the MSTN gene and study their impact on body weight in both geese breeds in different periods of life. Analysis of the obtained results showed the existence of polymorphism in exon 3 (c.1231C>T) and suggested a possible association (p < 0.05) between BW and genotype in 12 weeks of life in male Kielecka geese breed. The identified polymorphism may be one of the factors important for improving body weight in the studied Kielecka breed, therefore, it is necessary to conduct further research on a larger population of geese breeds in order to more accurately estimate the effect of the identified SNP c.1231C>T on BW in geese. Full article
(This article belongs to the Collection Applications of Quantitative Genetics in Livestock Production)
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12 pages, 1462 KiB  
Article
An Evaluation of the Genetic Structure of Geese Maintained in Poland on the Basis of Microsatellite Markers
by Joanna Warzecha, Maria Oczkowicz, Dominika Rubis, Agnieszka Fornal, Tomasz Szmatoła and Monika Bugno-Poniewierska
Animals 2019, 9(10), 737; https://doi.org/10.3390/ani9100737 - 27 Sep 2019
Cited by 10 | Viewed by 3653
Abstract
The aim of this study was to evaluate the genetic variability of the White Kołuda® goose and 12 conservative flocks: Kielecka, Podkarpacka, Garbonosa, Pomerian, Rypinska, Landes, Lubelska, Suwalska, Kartuska, Romanska, Slowacka, and Kubanska, maintained in Poland using microsatellite data. The genetic diversity [...] Read more.
The aim of this study was to evaluate the genetic variability of the White Kołuda® goose and 12 conservative flocks: Kielecka, Podkarpacka, Garbonosa, Pomerian, Rypinska, Landes, Lubelska, Suwalska, Kartuska, Romanska, Slowacka, and Kubanska, maintained in Poland using microsatellite data. The genetic diversity of geese kept in Poland remains poorly analyzed at the molecular level. In total 392 samples were examined with the usage of 15 microsatellite markers. 119 alleles were identified and the number of alleles per locus ranged from 1 to 13. The highest number of alleles was observed in TTUCG5 (16) and the lowest in CAUD-G007 (2), while CKW47 was monomorphic. The lowest value of expected heterozygosity (He) was observed in Landes, while the highest in Romanska. Similarly, the observed heterozygosity (Ho) was the lowest in Landes but the highest in Kartuska. The polymorphism information content (PIC) indicates loci TTUCG5 as the most valuable microsatellite marker among those examined. The Structure software was used for the first time to identify goose populations, revealing high admixture between breeds and their close genetic propinquity. Moreover, the presented panel of microsatellite markers remained polymorphic and is useful for population studies of geese and assessment of genetic diversity. Full article
(This article belongs to the Section Animal Genetics and Genomics)
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