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Open Access Research article

Molecular evolution of psbA gene in ferns: unraveling selective pressure and co-evolutionary pattern

Lin Sen12, Mario A Fares34, Ying-Juan Su5 and Ting Wang2*

Author Affiliations

1 State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan, China

2 CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China

3 Integrative Systems Biology Group, Instituto de Biología Molecular y Celular de Plantas (CSIC-Universidad Politécnica de Valencia (UPV)), Valencia, Spain

4 Evolutionary Genetics and Bioinformatics Laboratory, Department of Genetics, University of Dublin, Trinity College, Dublin 2, Ireland

5 State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, China

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BMC Evolutionary Biology 2012, 12:145  doi:10.1186/1471-2148-12-145

Published: 16 August 2012

Additional files

Additional file 1:

Table S1.Universal primers for fern psbA gene. S2 Species-specific primers for psbA gene from eight fern species. S3 Six datasets of different species and fragments. S4 Species and accession number of the retrieved data. S5 LRTs of the random-site models in PAML version 4.1*. S6 Positively selected codons determined via REL model.

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Additional file 2:

Currently determined 20 sequences.The sequences started at the ATG codon of psbA, ended before the ATG codon of trnH. They included the stop codon of psbA and the intergenic region between psbA and trnH. They were applied to reconstruct the phylogenetic trees.

Format: FASTA Size: 31KB Download file

Open Data