Please use this identifier to cite or link to this item: http://ir.mu.ac.ke:8080/jspui/handle/123456789/4556
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dc.contributor.authorLusweti, Dorcas-
dc.contributor.authorOchieng, Joel W.-
dc.contributor.authorMaina, Joyce G-
dc.contributor.authorKinyanjui, Peter-
dc.date.accessioned2021-06-03T06:55:26Z-
dc.date.available2021-06-03T06:55:26Z-
dc.date.issued2018-
dc.identifier.urihttps://www.ajol.info/index.php/ajthf/article/view/170917-
dc.identifier.urihttp://ir.mu.ac.ke:8080/jspui/handle/123456789/4556-
dc.description.abstractA recent decline in Nile perch abundance in Lake Victoria is of concern to the fishing industry. To determine if this decline threatens the persistence of Nile perch, we quantified the level of genetic variation and the structure of its populations. Samples of Nile perch from lakes Victoria and Turkana were characterized by a single haplotype, while those from Lake Albert exhibited two haplotypes varying in a single T-C transition. Variation across the seven microsatellites was low with allelic richness ranging from 2.6 to 3.3. Bayesian analysis of genetic structure showed all samples belong to one population, consistent with a low genetic differentiation (FST = 0.054; p ≥ 0.05). Patterns of allelic distribution and heterozygote excess suggested a recent population bottleneck. Such species are either threatened or endangered based on their low genetic diversity, lack of genetic differentiation among populations, molecular signatures of recent bottleneck, and reduced censusen_US
dc.language.isoenen_US
dc.publisherAfrican Journal Onlineen_US
dc.subjectGenetic bottlenecken_US
dc.subjectGenetic variationen_US
dc.subjectstructureen_US
dc.subjectGenotyping Sequence analysisen_US
dc.titleDNA evidence for a population bottleneck in Lake Victoria Nile perchen_US
dc.typeArticleen_US
Appears in Collections:School of Biological and Physical Sciences

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