Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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RNA-seq of two Trifolium pratense genotypes, Tripo and Lasang, from early to late developmental stages of flower development


ABSTRACT: Red clover (Trifolium pratense L.) is one of the most important legume forage species in temperate livestock agriculture. Tetraploid red clover cultivars are generally producing less seed than diploid cultivars. Improving the seed setting potential of tetraploid cultivars is necessary in order to utilize the high forage quality and environmentally sustainable nitrogen fixation of red clover. Two genotypes, one from cv.Tripo with weak seed setting and one from cv.Lasang with strong seed setting, were selected based on data from field experiments for transcriptome analysis of developing flower buds. De novo and reference based analyses of transcriptome assemblies were conducted to study the global transcriptome changes from early to late developmental stages of flower development of the two contrasting red clover genotypes. Transcript profiles, gene ontology enrichment and KEGG pathway analysis indicate that genes related to flower development, pollen pistil interactions, photosynthesis and embryo development are differentially expressed between the Tripo and Lasang genotypes. A significant number of genes related to pollination was overrepresented in Lasang, which might be a reason for its good seed setting ability. The candidate genes detected in this study might be used to develop molecular tools for breeding tetraploid red clover varieties with improved seed yield potentials.

INSTRUMENT(S): Illumina HiSeq 2000

ORGANISM(S): Trifolium pratense

SUBMITTER: Mallikarjuna rao Kovi 

PROVIDER: E-MTAB-5117 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

De novo and reference transcriptome assembly of transcripts expressed during flowering provide insight into seed setting in tetraploid red clover.

Kovi Mallikarjuna Rao MR   Amdahl Helga H   Alsheikh Muath M   Rognli Odd Arne OA  

Scientific reports 20170313


Red clover (Trifolium pratense L.) is one of the most important legume forage species in temperate livestock agriculture. Tetraploid red clover cultivars are generally producing less seed than diploid cultivars. Improving the seed setting potential of tetraploid cultivars is necessary to utilize the high forage quality and environmentally sustainable nitrogen fixation ability of red clover. In the current study, our aim was to identify candidate genes involved in seed setting. Two genotypes, 'Tr  ...[more]

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