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Genetic analysis of reciprocal differences in the inheritance of in vitro characters in pearl millet

Overview of attention for article published in Genetics and Molecular Biology, January 2016
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Title
Genetic analysis of reciprocal differences in the inheritance of in vitro characters in pearl millet
Published in
Genetics and Molecular Biology, January 2016
DOI 10.1590/1678-4685-gmb-2014-0380
Pubmed ID
Authors

Valluri V Satyavathi, V. Manga, Muktinutalapati V. Subba Rao, Malladi Chittibabu

Abstract

Reciprocal differences persist in nature because of the unequal contribution of cytoplasmic determinants from male and female gametes to the zygote. The inheritance of genetic differences is an important factor that influences various traits, including somatic embryogenesis and regeneration in vitro. In this report, we estimate the cytoplasmic and maternal effects in pearl millet and their adequacy in describing the observed reciprocal differences based on an in depth study of the parents, F2s and reciprocal backcross progenies needed for fitting genetical models. Our study revealed that of the two characters examined, embryogenic callus quantity and regeneration frequency, the former showed a greater proportion of cytoplasmic nuclear interaction whereas the latter showed a greater role of nuclear factors. Additive-maternal effects influenced total callus quantity and dominance-maternal effects influenced total callus quantity, embryogenic callus quantity and regeneration frequency. Dwarfing was associated with the production of large quantities of embryogenic callus that had visually recognizable characteristics. The phenotypic nature of dwarf parents (green dwarf with long narrow leaves) with a genetic basis for a given character controlled by nuclear and cytoplasmic determinants can be exploited for other breeding programs.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 11 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 11 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 3 27%
Unspecified 2 18%
Student > Master 2 18%
Researcher 1 9%
Student > Ph. D. Student 1 9%
Other 0 0%
Unknown 2 18%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 4 36%
Unspecified 2 18%
Agricultural and Biological Sciences 2 18%
Medicine and Dentistry 2 18%
Unknown 1 9%