NDLI: Genetic variation and population differentiation of the endochitinase gene family in Pinus monticola

Content Provider	Springer Nature Link
Author	Liu, Jun Jun Chan, Danelle Sturrock, Rona Sniezko, Richard A.
Copyright Year	2013
Abstract	In the present study, we characterized nucleotide variations of the Pinus monticola class IV endochitinase (PmCh4) family. Using primers targeting at conserved amino acid motifs of plant class IV endochitinases, genomic DNA was amplified. Sequence data analysis identified five novel genes in the PmCh4 family with one pseudogene. Single nucleotide polymorphisms of the PmCh4 family were surveyed in seven open-pollinated seed lots representing diverse geographical distribution. Variable levels of average pairwise nucleotide diversity (π = 0.00422–0.02079) and relatively high levels of haplotype diversity (H d = 0.85–0.96) were revealed at PmCh4 loci. Based on nucleotide variation, P. monticola populations were clustered into two main groups by phylogenetic analysis based on Nei’s genetic distance. The Mantel test revealed no correlation between geographical and genetic distances (r = −0.11, P = 0.59). A further SNP genetic diversity study on more P. monticola populations throughout Western North America may help the design of sampling regimes for tree breeding, genetic conservation and assisted migration under climate change.
Starting Page	1313
Ending Page	1322
Page Count	10
File Format	PDF
ISSN	03782697
Journal	Plant Systematics and Evolution
Volume Number	300
Issue Number	6
e-ISSN	16156110
Language	English
Publisher	Springer Vienna
Publisher Date	2013-12-25
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Endochitinase Genetic distance Nucleotide diversity Pinus monticola Single nucleotide polymorphism Plant Sciences Plant Ecology Plant Anatomy/Development Plant Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Plant Science Ecology, Evolution, Behavior and Systematics

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