Determination of the genetic diversity in populations of halophytic grass S. ioclados using PBA markers

D. Ahmad, A. Zehra, A. Jalal, Waqar Ali, Muhammad S. Khan
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引用次数: 0

Abstract

The genetic structure of salt-tolerant halophytic grass Sporobolus ioclados collected from inland and coastal areas of Pakistan was determined using P450 based analog (PBA); the functional genomic markers. Our data revealed high polymorphism (96%) in the collected germplasm. The high genetic variability could be attributed to outcrossing, and sexual reproduction. An analysis of molecular variance depicted higher genetic diversity (80%) within the populations and lower (20%) among the populations. The low genetic diversity among the inland and coastal populations might be due to fragmentation and long physical distances. The dendrogram and principal component analysis clearly distinguished the genotypes of the two populations into two distinct clusters. Our data demonstrated that PBA markers are reliable and reproducible for assessing genetic diversity in halophytic grass and provides valuable insight for future breeding and conservation programs.
利用PBA标记测定盐生草群体遗传多样性
采用基于P450的类似物(PBA)测定了采自巴基斯坦内陆和沿海地区的耐盐盐生草Sporobolus ioclados的遗传结构;功能基因组标记。我们的数据显示,所收集的种质资源具有较高的多态性(96%)。高遗传变异性可归因于异交和有性繁殖。分子变异分析表明,群体内遗传多样性较高(80%),群体间遗传多样性较低(20%)。内陆和沿海种群的遗传多样性较低可能是由于破碎化和物理距离较长所致。树状图和主成分分析清楚地将两个种群的基因型划分为两个不同的聚类。我们的数据表明,PBA标记是可靠和可重复的,可用于评估盐生草的遗传多样性,并为未来的育种和保护计划提供有价值的见解。
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来源期刊
Kuwait Journal of Science & Engineering
Kuwait Journal of Science & Engineering MULTIDISCIPLINARY SCIENCES-
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