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Table 1 BLAST analyses to Arabidopsis confirm a genome duplication event in M. sativa

From: The Medicago sativa gene index 1.2: a web-accessible gene expression atlas for investigating expression differences between Medicago sativa subspecies

 

P. vulgaris

G. max

M. truncatula

M. sativa

Number of primary transcripts

27,197

56,044

50,894

112,626

Transcripts with BLASTX hit to Arabidopsis

25,119

49,304

35,644

64,631

Unique Arabidopsis sequences

14,283

15,407

15,170

15,607

  1. The primary transcripts of Phaseolus vulgaris, Glycine max, Medicago truncatula, and Medicago sativa (MSGI 1.2) were compared to the 27,416 predicted primary proteins of Arabidopsis using BLASTX with an E-value cutoff of 1E-10. The ratio of transcripts from each legume species that match an Arabidopsis protein clearly reflects a whole genome duplication event in G. max relative to P. vulgaris and a polyploidy event in M. sativa relative to M. truncatula. A similar number of unique Arabidopsis sequences were identified from the BLAST report for each legume, confirming the breadth of the M. sativa assembly