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    Maternal inheritance of chloroplast DNA in interspecific crosses of Bromus

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    Date
    2001-03
    Author
    Pillay, M.
    Armstrong, K.C.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Inheritance of chloroplast DNA (cpDNA) was examined in 41 F1 progeny obtained from the following interspecific Bromus crosses: Bromus arvensis (2n = 14) × B. inermis (2n = 4x = 28); B. arvensis × B. inermis (2n = 8x = 56); B. arvensis × B. erectus (2n = 6x = 42); B. arvensis × B. erectus (2n = 8x = 56); B. arvensis × B. erectus (2n = 10x = 70). Chloroplast DNA of the parental species was digested with BamHI, EcoRI and HindIII and species-specific restriction fragment length polymorphisms were identified by observation of ethidium bromide stained agarose gels as well as by filter hybridization experiments involving heterologous cloned barley cpDNA probes. The stability of these point mutations was verified by examining the cpDNA restriction patterns of at least 28 individual plants raised from seed of each of the parental species. No intraspecific cpDNA variability was detected. All the F1 progeny examined exhibited the cpDNA restriction fragment patterns of the female parent. There was no evidence of any paternal or biparental cpDNA inheritance. The results provided evidence for the uniparental-maternal inheritance of cpDNA in the Bromus crosses examined.
    https://dx.doi.org/10.1023/A:1017914219789
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/4327
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1023/A:1017914219789
    IITA Subjects
    Genetic Improvement; Plant Breeding; Plant Genetic Resources
    Agrovoc Terms
    Dna; Interspecific Hybridization; Polymorphism; Bromus
    Journals
    Biologia Plantarum
    Collections
    • Journal and Journal Articles4835
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