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Genetic Diversity and Population Structure of Llamas (Lama glama) from the Camelid Germplasm Bank—Quimsachata.

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Title: Genetic Diversity and Population Structure of Llamas (Lama glama) from the Camelid Germplasm Bank—Quimsachata.
Authors: Paredes, Gabriela F., Yalta-Macedo, Claudia E., Gutierrez, Gustavo A., Veli-Rivera, Eudosio A.
Source: Genes; May2020, Vol. 11 Issue 5, p541, 1p
Abstract: Llamas (Lama glama) are invaluable resources of Peru. Despite their importance, their population is decreasing. The Camelid Germplasm Bank—Quimsachata was created as a guardian of this South American camelid (SAC) species and established a bank of llamas from their two types, Ch'aku and Q'ara. However, these populations need to present high genetic diversity to be considered suitable conservation stocks. Thus, in the present study, 13 microsatellites specific for the SAC were used to assess the current genetic variability and differentiation of the llama population from the Bank. The global population showed high genetic diversity with a total of 157 different alleles, with an average of 12.08 alleles per microsatellite, an expected and observed heterozygosity of 0.758 and 0.707, respectively, and an average polymorphic information content (PIC) of 0.723. Although considered as two different breeds and managed separately, the genetic differentiation between Ch'aku and Q'ara was low (FST = 0.01). Accordingly, the gene flow value was high (Nm = 30.5). Overall, our results indicate the existence of high genetic variation among individuals, and thus, this llama population could be considered a suitable genetic stock for their conservation and for sustainability programs. Additionally, the 13 microsatellites can be used to study other Peruvian llama populations and monitor the genetic variability of llamas from the Camelid Germplasm Bank—Quimsachata. [ABSTRACT FROM AUTHOR]
Subject Terms: GERMPLASM, GENE flow, POPULATION differentiation, MICROSATELLITE repeats, POPULATION genetics, HETEROZYGOSITY, PLANT germplasm
Geographic Terms: PERU
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ISSN: 20734425
DOI: 10.3390/genes11050541
Database: Complementary Index
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