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Endophytic strategies decoded by genome and transcriptome analysis of strain NQ8GII4.
Front Microbiol
January 2025
College of Forestry and Prataculture, Ningxia University, Yinchuan, China.
Introduction: strain NQ8GII4 is an endophytic fungus with significant potential for improving growth and disease resistance of alfalfa. However, the molecular mechanisms underlying the symbiotic relationship between NQ8GII4 and alfalfa roots remain poorly understood.
Methods: In this study, we conducted (1) a comparative genomic analysis of selected saprophytic, pathogenic, and endophytic fungi, including molecular phylogeny analysis, whole-genome alignment, and divergence date estimation positioning, and (2) transcriptomic profiling of alfalfa roots infected with NQ8GII4.
Sex reversal induced by 17β-estradiol may be achieved by regulating the neuroendocrine system of the Pacific white shrimp Penaeus vannamei.
BMC Genomics
January 2025
Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.
Background: Due to sexual dimorphism in growth of penaeid shrimp, all-female cultivation is desirable for the aquaculture industry. 17β-estradiol (E2) has the potential to induce the male-to-female sex reversal of decapod species. However, the mechanisms behind it remain poorly understood.
View Article and Find Full Text PDFMaternal deposition of hormones and contaminants shape the gonadal transcriptome in American alligators.
Proc Biol Sci
January 2025
Eugene P. Odum School of Ecology, University of Georgia, Athens, GA, USA.
Environmental conditions influence the maternal deposition of hormones into eggs, which is hypothesized to adaptively modify developmental outcomes in offspring. However, most ecosystems harbour environmental contaminants capable of disrupting endocrine signaling, and maternal exposure to these compounds has the potential to further alter offspring traits. Studies rarely examine maternally derived hormones and contaminants along with offspring phenotypes, and we know little about their interrelationships and potential interactions.
View Article and Find Full Text PDFNew insights into the regulation of cyp3a65 expression in transgenic tg(cyp3a65:GFP) zebrafish embryos.
Aquat Toxicol
January 2025
Unité écotoxicologie des substances et des milieux, Institut National de l'Environnement Industriel et des Risques (INERIS), 60550 Verneuil-en-Halatte, France. Electronic address:
Facing the need for alternative models allowing assessment of metabolic-endocrine disrupting chemicals (MDCs), especially in poorly investigated tissues such as the intestine, we recently developed a transgenic zebrafish embryo in vivo model, tg(cyp3a65:GFP), expressing the Green Fluorescent Protein (GFP) under the control of the zebrafish cyp3a65 promoter, ortholog of human cyp3a4, a gene coding for a key enzyme of intestinal xenobiotic and endobiotic metabolism. In this study, we aimed to better understand the regulation of cyp3a65 expression by zfPXR, zfAhR2, and zfGR zebrafish orthologs of well-known human xenosensors PXR and AhR, and steroid nuclear receptor GR. For this purpose, we performed zebrafish embryo tg(cyp3a65:GFP) (co)exposures to a variety of agonists (clotrimazole, TCDD, fluticasone propionate) and antagonists (econazole nitrate, CH223181, RU486), which were characterized using in vitro zebrafish reporter gene assays.
View Article and Find Full Text PDFReduction of Low-Density Lipoprotein Cholesterol by Mesenchymal Stem Cells in a Mouse Model of Exogenous Cushing's Syndrome.
Tissue Eng Regen Med
January 2025
Department of Pediatrics, College of Medicine, Ewha Womans University, Seoul, 07804, South Korea.
Background: Exogenous Cushing's syndrome, which results from prolonged glucocorticoid treatment, is associated with metabolic abnormalities. Previously, we reported the inhibitory effect of tonsil-derived mesenchymal stem cell conditioned medium (T-MSC CM) on glucocorticoid signal transduction. In this study, we investigated the therapeutic efficacy of T-MSCs in a mouse model of exogenous Cushing's syndrome.
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