multiple mating and family structure of the western tent caterpillar, malacosoma californicum pluviale impact on disease resistance西方的多个交配和家庭结构帐篷毛虫,malacosoma californicum pluviale对抗病性的影响.pdfVIP

multiple mating and family structure of the western tent caterpillar, malacosoma californicum pluviale impact on disease resistance西方的多个交配和家庭结构帐篷毛虫,malacosoma californicum pluviale对抗病性的影响.pdf

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multiple mating and family structure of the western tent caterpillar, malacosoma californicum pluviale impact on disease resistance西方的多个交配和家庭结构帐篷毛虫,malacosoma californicum pluviale对抗病性的影响

Multiple Mating and Family Structure of the Western Tent Caterpillar, Malacosoma californicum pluviale: Impact on Disease Resistance 1 2 3 1 Michelle T. Franklin , Carol E. Ritland , Judith H. Myers , Jenny S. Cory * 1 Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia, Canada, 2 Department of Forest Sciences, Genetic Data Centre, University of British Columbia, Vancouver, British Columbia, Canada, 3 Department of Zoology, University of British Columbia, Vancouver, British Columbia, Canada Abstract Background: Levels of genetic diversity can strongly influence the dynamics and evolutionary changes of natural populations. Survival and disease resistance have been linked to levels of genetic diversity in eusocial insects, yet these relationships remain untested in gregarious insects where disease transmission can be high and selection for resistance is likely to be strong. Methodology/Principal Findings: Here we use 8 microsatellite loci to examine genetic variation in 12 families of western tent caterpillars, Malacosoma californicum pluviale from four different island populations to determine the relationship of genetic variability to survival and disease resistance. In addition these genetic markers were used to elucidate the population structure of western tent caterpillars. Multiple paternity was revealed by microsatellite markers, with the number of sires estimated to range from one to three per family (mean 6 SE = 1.9260.23). Observed heterozygosity (HO) of families was not associated to the resistance of families to a nucleopolyhedrovirus (NPV) (r = 0.161, F1,12 = 0.271, P = 0.614), a major cause of mortality in high-density populat

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