African Journal of Biotechnology

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In-silico identification and phylogenetic analysis of auxin efflux carrier gene family in Setaria italica L.

Tapan Kumar Mohanta, Mickael Malnoy, Nibedita Mohanta, Chidananda Nagamangala Kanchiswamy


The phytohormone auxin is crucial for plant growth and development. Transportation and distribution of auxin throughout the plant is very important to maintain the auxin homeostasis. Auxin efflux carrier genes play significant roles in auxin transport. In this study, we identified 12 auxin efflux carrier genes from the Setaria italica genome, which are similar in number with that of monocotyledonous plant Oryza sativa. Twelve (12) SiPIN genes are distributed in eight scaffolds. All the identified genes possess the transmembrane auxin efflux carrier domain. Phylogenetic analysis shows that SiPIN genes are much closer to Sorghum bicolor and O. sativa PIN genes of the grass family.

Keywords: Auxin efflux carrier, auxin efflux carrier domain, phosphorylation, transmembrane domain

African Journal of Biotechnology, Vol. 13(2), pp. 211-225, 8 January, 2014
AJOL African Journals Online