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Pangenome mining of the Streptomyces genus redefines species' biosynthetic potential.
Genome Biol
January 2025
The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Kongens Lyngby, 2800, Denmark.
Background: Streptomyces is a highly diverse genus known for the production of secondary or specialized metabolites with a wide range of applications in the medical and agricultural industries. Several thousand complete or nearly complete Streptomyces genome sequences are now available, affording the opportunity to deeply investigate the biosynthetic potential within these organisms and to advance natural product discovery initiatives.
Results: We perform pangenome analysis on 2371 Streptomyces genomes, including approximately 1200 complete assemblies.
Characterization of chemosensory genes in the subterranean pest Gryllotalpa Orientalis based on genome assembly and transcriptome comparison.
BMC Genomics
January 2025
College of Life Sciences, Shaanxi Normal University, Xi'an, 710062, China.
Background: Chemosensory perception plays a vital role in insect survival and adaptability, driving essential behaviours such as navigation, mate identification, and food location. This sensory process is governed by diverse gene families, including odorant-binding proteins (OBPs), olfactory receptors (ORs), ionotropic receptors (IRs), chemosensory proteins (CSPs), gustatory receptors (GRs), and sensory neuron membrane proteins (SNMPs). The oriental mole cricket (Gryllotalpa orientalis Burmeister), an invasive pest with an underground, phyllophagous lifestyle, causes substantial crop damage.
View Article and Find Full Text PDFClassification and spatial characteristics of different development stages in China: Evidence from the contribution rate of production factors.
PLoS One
January 2025
Real Estate Research Center, Nanjing Agricultural University, Nanjing, China.
This paper aims to reveal the changing characteristics of the contribution rates of different production factors in China since the reform and opening up from two dimensions: stage and space. The study used national data from 1978 to 2021 and provincial data from 2000 to 2020, combined with methods such as C-D production function and spatial econometrics for analysis. Research has found that: (1) In terms of stage characteristics, during the structural adjustment stage (1978-1998), economic growth mainly relies on capital and labor input, and the contribution rate of land factors gradually decreases.
View Article and Find Full Text PDFRe-evaluation of the Bahariya Formation carcharodontosaurid (Dinosauria: Theropoda) and its implications for allosauroid phylogeny.
PLoS One
January 2025
Staatliche Naturwissenschaftliche Sammlungen Bayerns-Bayerische Staatssammlung für Paläontologie und Geologie, Munich, Germany.
The first partial skeleton of a carcharodontosaurid theropod was described from the Egyptian Bahariya Oasis by Ernst Stromer in 1931. Stromer referred the specimen to the species Megalosaurus saharicus, originally described on the basis of isolated teeth from slightly older rocks in Algeria, under the new genus name Carcharodontosaurus saharicus. Unfortunately, almost all of the material from the Bahariya Oasis, including the specimen of Carcharodontosaurus was destroyed during World War II.
View Article and Find Full Text PDFYears of life lost attributable to air pollution, a health risk-based air quality index approach in Ningbo, China.
Int J Biometeorol
January 2025
Department of Preventive Health, Shanxi Cardiovascular Hospital, No. 18 Yifen Street, Wanbailin District, Taiyuan, 030024, Shanxi Province, China.
Air pollution remains a significant threat to human health and economic development. Most previous studies have examined the health effects of individual pollutants, which often overlook the combined impacts of multiple pollutants. The traditional composite indicator air quality index (AQI) only focuses on the major pollutants, whereas the health risk-based air quality index (HAQI) could offer a more comprehensive evaluation of the health effects of various pollutants on populations.
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