Genome-wide Identification, Classification, Molecular Evolution and Expression Analysis of Malate Dehydrogenases in Apple.

ABSTRACT: Malate dehydrogenase plays crucial roles in energy homeostasis, plant development and cold and salt tolerance, as it mediates the reversible conversion of malate to oxaloacetate. However, the evolutionary pattern of MDH genes in apple remains elusive. In this study, a total of 20 MDH genes were identified from the "Golden Delicious" apple draft genome. We revealed the physiological and biochemical properties, gene structure, and conserved motifs of MdMDH genes. Chromosomal localization and Ka/Ks ratio analysis of MdMDH genes revealed different selective pressures acted on duplicated MdMDH genes. Exploration of the phylogenetic relationships revealed six clades and similar frequencies between old and recent duplications, and significant diffe

SUBMITTER: Ma B 

PROVIDER: S-EPMC6274877 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature