Table 2.

Transcriptomic and valuable genomic resources in legumes (pigeon pea, cluster bean, winged bean, dolichos bean, and cowpea).

Crop	Objective	Description	Genetic Improvement of Vegetable Type	Platform	Reference
Pigeon pea	Transcriptome seq	50,566 SSRs, 12,000 SNPs, 0.12 million unique sequences and 150.8 million sequence reads	Enhancing genomic resources	Roche FLX/454	[125]
	RNA-seq	1.696 million reads, 3771 SSRs	To target protein-coding and regulatory genes	Roche 454 GS-FLX	[126]
	Gene expression atlas (CcGEA)	590.84 million paired-end data from RNA-Seq, 28 793 genes, regulatory genes, i.e., pollen-specific (SF3), sucrose–proton symporter	To target protein-coding and regulatory genes	Illumina HiSeq 2000	[127]
	Comparative transcriptome	Cajanus cajan (L.) and Cajanus platycarpus (Benth.) sequence revealed 0.11 million transcripts, 82% annotated	Valuable data from wild sources	Illumina Hi-Seq 2500	[128]
	WRKY characterization	94 WRKY genes characterized and validated phylogenetically three groups (I, II, III)	Elucidating stress-responsive machinery	qRT-PCR	[129]
	Axiom SNP array	56K SNPs from 104 genotypes	SNP genotyping	Axiom Affymetrix	[130]
	CcSNPnkssnp chip for Affymetrix GeneTitan	62k SNPs from conserved, unique, and stress resistance genes	SNP typing	Illumina Hiseq	[124]
Cluster bean	seedling (Ibadan Local-1)	1900 SSRs and 1800 conserved orthologous loci	Stimulating genomics accelerated breeding in winged bean	Illumina HiSeq 2500	[76]
	RNA-Seq	5773 SSR, 3594 SNPs, 62,146 unigenes with mean 679 bp length, and 11,000 genes annotated for biochemical pathways	To target protein-coding and regulatory genes	Illumina HiSeq 2500	[131]
	RNA-Seq	127,706 transcripts, 48,007 non-redundant unigenes, 79% annotations,8687 SSRs	To target protein coding and regulatory genes	Illumina paired end sequencing	[132]
	CbLncRNAdb database	lncRNAs, miRNAs identification, and characterization	Understanding the stress mechanism	http://cabgrid.res.in/cblncrnadb.	[133]
	Whole-genome sequencing	1859 SSRs from 1091 scaffolds constituting 60% genome of the cluster bean	Towards complete genome assembly	Illumina and Oxford nanopore	[134]
	Whole-genome assembly	1.2 Gb genomic reads comprising 50% genome of cluster bean (Illumina and Oxford nanopore)	Towards complete genome assembly	Illumina HiSeq 2500	[135]
	Genome sequencing of GG-4	15,399 SSRs generated	Towards complete genome assembly	Illumina MiSeq	[59]
Winged bean	CPP34 (PI 491423) and CPP37 (PI 639033) accessions	16,115 total contigs, 12,956 SSRs and 5190 SNPs developed	To target protein-coding and regulatory genes	Roche 454 Genome Sequencer FLX	[65]
	Tissue specific (leaf, pod root, and reproductive tissues)	198,554 contigs, 24,598 SSR motifs detected	Library of various tissues available for digging important traits	Illumina MiSeq	[77]
	Tannin controlling genes	1235 contigs expressed differentially	Identification of candidates	Illumina Nextseq 500	[136]
Dolichos bean	ORCAE-AOCC	Genomic portal for orphan crops such as dolichos bean	Information for molecular studies		[137]
Cowpea	Chilling tolerance	ICE1-CBF3-COR id cold-responsive cascade present in asparagus bean	Engineering cold-tolerant genotypes	Illumina Hiseq2500	[138]
	Molecular mechanism of chilling injury	Redox reactions enzymes, energy metabolism enzymes, and transcription factors, i.e., WRKY, MYB, bHLH, NAC, and ERF are involved in chilling injury	To plan genetic improvement by an understanding mechanism of chilling injury	Illumina HiSeq2500	[139]
	Transformable cowpea genotypes	Tissue-specific data special emphasis on reproductive organs	Genetic improvement and mapping studies	Illumina Hiseq 2500	[140]
	SNP chip-Cowpea iSelect Consortium Array	51 128 SNPs obtained by WGS sequencing of 37 different cowpea accessions	High throughput genotyping	Illumina HiSeq 2500	[141]