Volume 5, Issue 1 (2014)                   JMBS 2014, 5(1): 1-10 | Back to browse issues page

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Kazempour Osaloo S, Kaveh A, Amirahmadi A. A perspective on the chloroplast gene matK. JMBS 2014; 5 (1) :1-10
URL: http://biot.modares.ac.ir/article-22-4652-en.html
A perspective on the chloroplast gene matK
Shahrokh Kazempour Osaloo * 1, Akram Kaveh2 , Atefe Amirahmadi3
1- Associate Professor of Plant Molecular Systematics Tarbiat Modares University, Tehran
2- PُhD Student of Plant Systematics, Tarbiat Modares University, Tehran
3- Damghan University, Damghan
Abstract:   (9164 Views)
The chloroplast gene matK, formerly known as ORF509, has been identified as one of the most rapidly evolving genes at the nucleotide and corresponding amino acid levels. This gene is located in the large single-copy region of the chloroplast genome, and placed between the 5’ and the 3’ exons of trnK (tRNA-lysine) within a group II intron. The matK RNA and protein levels are affected by light and developmental stages, suggesting functional roles for this putative maturase that affect in photosynthesis indirectly. The matK has been considered as one of the most useful genes for resolving phylogenetic and evolutionary relationships at a range of taxonomic levels, from closely related species to the generic, familial, and even supra-familial levels among land plants, especially Angiosperms. The matK as a DNA barcode for land plants showed high levels of discrimination among angiosperm species that can be used single or in combination with other genes.
Keywords: Angiosperms, matK gene, Phylogeny, maturase, DNA barcode
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Article Type: Review |
Received: 2013/11/3 | Accepted: 2014/08/23 | Published: 2015/03/2
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