Characterization of a Putative Serk-Like Ortholog in Embryogenic Cell Suspension Cultures of Coffea arabica L.

A.T. Silva, D. Barduche, K.G. do Livramento, W. Ligterink, L.V. Pavia

Research output: Contribution to journalArticleAcademicpeer-review

19 Citations (Scopus)

Abstract

The acquisition of embryogenic cell suspension cultures (ECS) has been the objective of studies on in vitro induction of somatic embryogenesis with biotechnological tools, due to the high efficiency of ECS as plant material for genetic transformation and large-scale production and cryopreservation of germplasm. The objective of this work was to identify and analyze one of the main gene families involved in somatic embryogenesis, somatic embryogenesis receptor-like kinase (SERK) in coffee (Coffea arabica L.). Coffee SERKs were identified by searching an EST (expression sequences tag) database generated by the Brazilian Coffee Genome Project starting from candidate sequences obtained from the NCBI database (National Center for Biotechnology Information) . In silico analysis and quantitative PCR results imply that the identified EST-contig C166 might directly be involved in somatic embryogenesis. The results suggest that C166 is the possible ortholog of SERK in C. arabica (CaSERK) and indicate that C166 might be a valuable bio-marker for ECS, and in that context can increase the methodological efficiency for ECS formation in C. arabica. Functional analysis of CaSERK with mutants of a more manageable species will lead to a better understanding of the molecular regulation as well as the specific functions of genes involved in somatic embryogenesis in coffee
Original languageEnglish
Pages (from-to)176-184
Number of pages9
JournalPlant Molecular Biology Reporter
Volume32
Issue number1
DOIs
Publication statusPublished - 2014

Keywords

  • receptor-like kinases
  • leucine-rich repeat
  • somatic-embryogenesis
  • plant development
  • molecular characterization
  • phylogenetic trees
  • gene family
  • expression
  • identification
  • competence

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