Transcriptomics

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High throughput expression profiling of induction of microspore reprogramming to embryogenesis in Brassica napus L. [dataset 1]


ABSTRACT: Microspore embryogenesis is an in vitro system in which haploid microspores (precursor celsl of pollen grains) are reprogrammed towards embryogenesis by the application of a heat stress (HS) treatment. This process is of great interest in plant breeding as it enables accelerated production of double-haploid plants. The induction of in vitro microspore reprogramming comprises a complex chain of events that still remain unknown. The process can be induced at the responsive developmental stage of vacuolated microspore. In order to evaluate the transcriptional changes acompaying microspore embryogenesis induction in Brassica napus, an expression profiling through high throughput RNA sequencing, and a pipeline for bioinformatic analysis was performed. The analyses have been implemented for two samples: (1) vacuolated microspores (VM), before stress treatment, initial stage of the microspore culture, and (2) stress-treated microspores, 4 days after the application of the HS, when proembryos (PE) are formed; PE correspond to the first morphological sign of embryogenesis induction. The results obtained would provide valuable information about this complex process.

ORGANISM(S): Brassica napus

PROVIDER: GSE281890 | GEO | 2025/06/17

REPOSITORIES: GEO

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