DNA barcoding to resolve phylogenetic relationship in Myristica spp.

  • V P Swetha Division of Crop Improvement & Biotechnology, ICAR-Indian Institute of Spices Research, Kozhikode, Kerala
  • T E Sheeja Division of Crop Improvement & Biotechnology, ICAR-Indian Institute of Spices Research, Kozhikode, Kerala
  • B Sasikumar Division of Crop Improvement & Biotechnology, ICAR-Indian Institute of Spices Research, Kozhikode, Kerala

Abstract

Myristica is the largest and primitive genus of the taxonomically complex family Myristicaceae. DNA barcoding was used to study the evolutionary relationship between Myristica spp. and other genera of Myristicaceae. The barcoding loci namely, rbcL, matK, psbA-trnH, ITS and multilocus combinations were tested to assess their phylogenetic relationship. psbA-trnH locus revealed information regarding the relationship of species in Myristica genus. M. fragrans was found to be closely related to M. beddomei, M. amygdalina, M. andamanica1, whereas M. Fatua was found to be distinct from M. malabarica. Gymnocranthera and Knema species were found to share sister relation with other Myristica spp.

Keywords: barcoding, evolution, Myristica, multilocus, nutmeg, phylogram

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Author Biographies

V P Swetha, Division of Crop Improvement & Biotechnology, ICAR-Indian Institute of Spices Research, Kozhikode, Kerala

 

 

T E Sheeja, Division of Crop Improvement & Biotechnology, ICAR-Indian Institute of Spices Research, Kozhikode, Kerala

 

 

B Sasikumar, Division of Crop Improvement & Biotechnology, ICAR-Indian Institute of Spices Research, Kozhikode, Kerala

 

 

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