Dwarfs standing tall: breeding towards the ‘Yellow revolution’ through insights into plant height regulation

Plant Molecular Biology, Journal Year: 2025, Volume and Issue: 115(2)

Published: Feb. 19, 2025

High oilseed production is an exigency due to the increasing edible oil consumption of growing population. Rapeseed and mustard are cultivated worldwide contribute significantly world's total production. Already a plateau reached in terms area yield most existing cultivars. Most commercially high yielding rapeseed varieties tall, mainly wider use heterosis. However, they susceptible lodging consequent losses. Plant strongly dependent upon its architecture; therefore, 'ideotype breeding' key approach adopted develop new with enhanced potential, which less explored these crops. Dwarf/ semi dwarf plant type has shown improved potential over tall cereals further leads 'Green revolution' Asian countries. Although, many induced mutants were isolated, unlike green-revolution cereals, them had undesirable types defects including extreme dwarfism sterility, leading poor potential. Understanding genetic molecular mechanisms governing height correlation contributing characters crucial. In this review, recent insights into genetic, molecular, anatomical regulation have been discussed. The role hormones, their crosstalk, hormonal control for cell division expansion delineated respect architecture. Many dwarfing genes identified as being part various phytohormone pathways. Parallelly, links between flowering time explored. overall synthesis review points out some target pathways that will be useful breeders well biotechnologists targeted genome editing improving architecture without penalty. provides analysis "Green Revolution' lead development number dwarf/semi-dwarf cereals. Similar attempts introduce trait by mutagenesis or recombination different backgrounds oil-seed crops like & did not succeed showed variable low responses. To understand anomaly, presents comprehensive understanding yield. Here we also highlighted phases ideotype development, multiple pathways, predominance one other at each phase development. Our identifies pathway phase, suitable manipulation generating least

Language: Английский

Tissue-Specific RNA-Seq Analysis of Cotton Roots’ Response to Compound Saline-Alkali Stress and the Functional Validation of the Key Gene GhERF2

Plants, Journal Year: 2025, Volume and Issue: 14(5), P. 756 - 756

Published: March 1, 2025

Saline-alkali stress is one of the major abiotic stresses threatening crop growth. Cotton, as a “pioneer crop” that can grow in saline and alkali lands, great significance for understanding regulatory mechanisms plant response to stresses. Upland cotton has thus become model researchers explore responses saline-alkali In this study, RNA sequencing was employed analyze tissue-specific expression root tissues TM-1 seedlings 20 min after exposure compound stress. The RNA-Seq results revealed significant molecular differences different regions treatment. A total 3939 differentially expressed genes (DEGs) were identified from pairwise comparisons between non-root tip samples, which primarily enriched pathways including hormone signal transduction, MAPK signaling, cysteine methionine metabolism. Combined with pattern investigation by quantitative real-time PCR (qRT-PCR) experiments, key gene, GhERF2 (GH_A08G1918, ethylene-responsive transcription factor 2-like), be associated tolerance. Through virus-induced gene silencing (VIGS), GhERF2-silenced plants exhibited more severe wilting phenotype under combined salt-alkali stress, along reduction leaf chlorophyll content fresh weights roots. Additionally, these showed greater cellular damage lower ability scavenge reactive oxygen species (ROS) when exposed These findings suggest may play positive role not only enhance our underlying but also provide foundation future breeding efforts aimed at improving

Language: Английский

Genetic analysis and identification of major locus and candidate genes linked to thousand-seed weight in flax (Linum usitatissimum)

Industrial Crops and Products, Journal Year: 2025, Volume and Issue: 230, P. 121006 - 121006

Published: April 28, 2025

Language: Английский