GeoBotanical: Genetics Studies

1409.

The genomes of Darwin's primroses reveal chromosome-scale adaptive introgression and differential permeability of species boundaries.

Scientists analyzed 650 primrose genomes revealing evidence of introgression and its role in species adaptation. They found a genomic region aiding adaptation to soil toxicity and observed chloroplast introgression, but the S-locus supergene did not introgress. Comprehensive sampling is crucial for understanding species boundaries.

Genetics Primula vulgaris

Stubbs RL et al (2023).; New Phytol.
DOI:: 10.1111/nph.19361
PubMed:: 37921572

1410.

Endophytic bacteria associated with wild-type banana seed (Musa balbisiana): whole genome sequencing.

Whole-genome sequences of five endophytic bacteria from seeds were analyzed. Three of them have shown effective antagonistic effects against Fusarium wilt, a major disease affecting banana plants.

Genetics Musa balbisiana

Kumar G et al (2023).; Microbiol Resour Announc.
DOI:: 10.1128/MRA.00650-23
PubMed:: 37921458

1411.

Exploring the mechanism of resistance to vincristine in breast cancer cells using transcriptome sequencing technology.

Scientists investigated the development of resistance to vincristine (VCR), a chemotherapy drug used for breast cancer treatment. By analyzing gene expression and splicing events, they identified changes in the VCR-resistant breast cancer cell line. This study lays the foundation for understanding VCR resistance and developing potential treatments.

Cancer Genetics Catharanthus roseus

Chen Y et al (2023).; Oncol Lett.
DOI:: 10.3892/ol.2023.14089
PubMed:: 37920438

1412.

Repeated loss of the ability of a wild pepper disease resistance gene to function at high temperatures suggests that thermoresistance is a costly trait.

Study examines resistance genes in domesticated pepper relative and finds lower resistance in cultivated populations. Genes show different recognition and expression at various temperatures. Domestication leads to loss of resistance, with broad-spectrum resistance at higher temperatures having fitness costs.

Genetics Capsicum annuum

Poulicard N et al (2023).; New Phytol.
DOI:: 10.1111/nph.19371
PubMed:: 37920100

1413.

Identifying cis-Acting Elements Associated with the High Activity and Endosperm Specificity of the Promoters of Genes Encoding Low-Molecular-Weight Glutenin Subunits in Common Wheat (Triticum aestivum).

Scientists identified two genes involved in the expression regulation of low-molecular-weight glutenin subunits (LMW-GSs) in wheat. Understanding this could lead to the development of wheat as a bioreactor for producing beneficial substances.

Genetics Triticum aestivum

Qu G et al (2023).; J Agric Food Chem.
DOI:: 10.1021/acs.jafc.3c04209
PubMed:: 37919930

1414.

Comparative transcriptome analysis of dioecious floral development in Trachycarpus fortunei using Illumina and PacBio SMRT sequencing.

Trachycarpus fortunei is an economically and aesthetically valuable plant. This study used sequencing to understand how the plant determines its male or female flowers, which could have implications for better cultivation and hybridization practices.

Genetics Trachycarpus fortunei

Xiao F et al (2023).; BMC Plant Biol.
DOI:: 10.1186/s12870-023-04551-x
PubMed:: 37919651

1415.

Phytohormones and candidate genes synergistically regulate fruitlet abscission in Areca catechu L.

Researchers studied the process of fruitlet abortion in Areca catechu, a plant with low yield due to frequent abscission. They analyzed hormone levels in abscised and non-abscised fruitlets to understand the physiological and molecular variations.

Genetics Areca catechu

Li J et al (2023).; BMC Plant Biol.
DOI:: 10.1186/s12870-023-04562-8
PubMed:: 37919647

1416.

The variations in gene expression of GAPDH in Ocimum basilicum cultivars under drought-induced stress conditions.

Researchers investigate the role of a protein in basil plants under drought stress. They study the gene encoding this protein, predict its role in oxidative stress, and examine its expression patterns under water scarcity. Findings may aid crop improvement strategies.

Genetics Ocimum basilicum

Ranjbar M et al (2023).; Environ Sci Pollut Res Int.
DOI:: 10.1007/s11356-023-30549-x
PubMed:: 37919503