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Maternal inheritance of mitochondrial genomes and complex inheritance of chloroplast genomes in Actinidia Lind.: evidences from interspecific crosses.
MedLine Citation:
PMID:  23337924     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The inheritance pattern of chloroplast and mitochondria is a critical determinant in studying plant phylogenetics, biogeography and hybridization. To better understand chloroplast and mitochondrial inheritance patterns in Actinidia (traditionally called kiwifruit), we performed 11 artificial interspecific crosses and studied the ploidy levels, morphology, and sequence polymorphisms of chloroplast DNA (cpDNA) and mitochondrial DNA (mtDNA) of parents and progenies. Sequence analysis showed that the mtDNA haplotypes of F1 hybrids entirely matched those of the female parents, indicating strictly maternal inheritance of Actinidia mtDNA. However, the cpDNA haplotypes of F1 hybrids, which were predominantly derived from the male parent (9 crosses), could also originate from the mother (1 cross) or both parents (1 cross), demonstrating paternal, maternal, and biparental inheritance of Actinidia cpDNA. The inheritance patterns of the cpDNA in Actinidia hybrids differed according to the species and genotypes chosen to be the parents, rather than the ploidy levels of the parent selected. The multiple inheritance modes of Actinidia cpDNA contradicted the strictly paternal inheritance patterns observed in previous studies, and provided new insights into the use of cpDNA markers in studies of phylogenetics, biogeography and introgression in Actinidia and other angiosperms.
Authors:
Dawei Li; Xiaoqiong Qi; Xinwei Li; Li Li; Caihong Zhong; Hongwen Huang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-22
Journal Detail:
Title:  Molecular genetics and genomics : MGG     Volume:  -     ISSN:  1617-4623     ISO Abbreviation:  Mol. Genet. Genomics     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101093320     Medline TA:  Mol Genet Genomics     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, Hubei, P.R. China.
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