Genetics Studies

Evaluation of Differentially Expressed Genes in Leaves vs. Roots Subjected to Drought Stress in Flax (Linum usitatissimum L.).

This study investigated how flax plants respond to drought stress. It found that drought caused wilting, changes in physiological and biochemical characteristics, and variations in gene expression. Understanding these responses could help improve crop yield and quality in dry conditions.

Wang N et al (2023).
Int J Mol Sci.
PubMed:
37569394

DNA-free high-quality RNA extraction from 39 difficult-to-extract plant species (representing seasonal tissues and tissue types) of 32 families, and its validation for downstream molecular applications.

This study focuses on improving the extraction of high-quality RNA from diverse plants for downstream molecular analysis, which is essential for studying gene expression in response to environmental factors.

Sasi S et al (2023).
Plant Methods.
PubMed:
37568159

Relative mutagenic effectiveness and efficiency of chemical mutagens (Caffeine and EMS) and heavy metals [(Pb(NO(3))(2) and Cd(NO(3))(2))] in developing chlorophyll and morphological mutants in lentil.

This study examines the mutagenic effectiveness and efficiency of caffeine, EMS, Pb(NO), and Cd(NO) in crop improvement. It found that moderate concentrations of these mutagens resulted in the highest frequency of desirable mutations. Caffeine, at lower doses, was the most efficient mutagen. The study also identified ten promising mutants with favorable agronomic and horticultural traits for future breeding.

Shahwar D et al (2023).
Mutat Res Genet Toxicol Environ Mutagen.
PubMed:
37567648

Genome-wide identification of late embryogenesis abundant (LEA) protein family and their key regulatory network in Pinus tabuliformis cold acclimation.

Researchers identified and characterized 104 LEA genes in conifer P. tabuliformis. PtLEA22 was found to play a key role in cold acclimation and enhanced freezing tolerance in Arabidopsis. PtDREB1 was identified as a potential regulator of PtLEA22 expression. This study provides insights into the molecular mechanisms of cold acclimation in conifers.

Zhou C et al (2023).
Tree Physiol.
PubMed:
37565812

Map-based cloning and CRISPR/Cas9-based editing uncover BoNA1 as the causal gene for the no-anthocyanin-accumulation phenotype in curly kale (Brassica oleracea var. sabellica).

Scientists identified a recessive gene, , responsible for no-anthocyanin trait in kale. CRISPR/Cas9 gene editing confirmed its function. This study enhances knowledge about anthocyanin regulation in kale.

Yuan K et al (2023).
Hortic Res.
PubMed:
37564271

Genetic diversity, population structure, and genome-wide association analysis of ginkgo cultivars.

Scientists used genotyping-by-sequencing (GBS) and genome-wide association analysis to study the genetic diversity of ginkgo trees. They found that most germplasms have no genetic relationship and identified candidate genes related to seed traits. This information can improve conservation and utilization efforts.

Hu Y et al (2023).
Hortic Res.
PubMed:
37564270

Barley TAPETAL DEVELOPMENT and FUNCTION1 (HvTDF1) gene reveals conserved and unique roles in controlling anther tapetum development in dicot and monocot plants.

Barley HvTDF1 is an essential tapetum transcription factor in pollen development. Its absence leads to male sterility due to delayed tapetum development and pollen degeneration. The study highlights similarities and unique aspects of tapetum development in monocots and dicots.

Hua M et al (2023).
New Phytol.
PubMed:
37563927