Allelic Diversity of Acetyl Coenzyme A Carboxylase accD/bccp Genes Implicated in Nuclear-Cytoplasmic Conflict in the Wild and Domesticated Pea (Pisum sp.)

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Nováková , E , Zablatzká , L , Brus , J , Nesrstová , V , Hanáček , P , Kalendar , R , Cvrčková , F , Majeský , Ľ & Smýkal , P 2019 , ' Allelic Diversity of Acetyl Coenzyme A Carboxylase accD/bccp Genes Implicated in Nuclear-Cytoplasmic Conflict in the Wild and Domesticated Pea (Pisum sp.) ' , International Journal of Molecular Sciences , vol. 20 , no. 7 , 1773 . https://doi.org/10.3390/ijms20071773

Title: Allelic Diversity of Acetyl Coenzyme A Carboxylase accD/bccp Genes Implicated in Nuclear-Cytoplasmic Conflict in the Wild and Domesticated Pea (Pisum sp.)
Author: Nováková, Eliška; Zablatzká, Lenka; Brus, Jan; Nesrstová, Viktorie; Hanáček, Pavel; Kalendar, Ruslan; Cvrčková, Fatima; Majeský, Ľuboš; Smýkal, Petr
Other contributor: University of Helsinki, Crop Science Research Group

Date: 2019-04-10
Language: eng
Number of pages: 19
Belongs to series: International Journal of Molecular Sciences
ISSN: 1422-0067
DOI: https://doi.org/10.3390/ijms20071773
URI: http://hdl.handle.net/10138/301891
Abstract: Reproductive isolation is an important component of species differentiation. The plastid accD gene coding for the acetyl-CoA carboxylase subunit and the nuclear bccp gene coding for the biotin carboxyl carrier protein were identified as candidate genes governing nuclear-cytoplasmic incompatibility in peas. We examined the allelic diversity in a set of 195 geographically diverse samples of both cultivated (Pisum sativum, P. abyssinicum) and wild (P. fulvum and P. elatius) peas. Based on deduced protein sequences, we identified 34 accD and 31 bccp alleles that are partially geographically and genetically structured. The accD is highly variable due to insertions of tandem repeats. P. fulvum and P. abyssinicum have unique alleles and combinations of both genes. On the other hand, partial overlap was observed between P. sativum and P. elatius. Mapping of protein sequence polymorphisms to 3D structures revealed that most of the repeat and indel polymorphisms map to sequence regions that could not be modeled, consistent with this part of the protein being less constrained by requirements for precise folding than the enzymatically active domains. The results of this study are important not only from an evolutionary point of view but are also relevant for pea breeding when using more distant wild relatives.
Subject: 1184 Genetics, developmental biology, physiology
EVOLUTIONARY GENETICS
FERTILITY
HYBRID INCOMPATIBILITY
INHERITANCE
MALE-STERILITY
MECHANISMS
PLANT
REPRODUCTIVE ISOLATION
SELECTION
SEQUENCES
acetyl-CoA carboxylase
hybrid incompatibility
hybrid necrosis
nuclear-cytoplasmic conflict
pea
reproductive isolation
speciation
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