The bee louse (Braula coeca) is a honeybee inquiline and a long-standing taxonomic mystery. A new study unravels their genomic architecture and shows that these enigmatic flies have evolved from scale insect-exploiting drosophilid ancestors and share genetic similarities with their honeybee hosts.
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http://dx.doi.org/10.1016/j.cub.2024.01.038 | DOI Listing |
Nat Commun
January 2025
Biological Sciences, North Dakota State University, Fargo, USA.
Horizontal transfer of genetic material in eukaryotes has rarely been documented over short evolutionary timescales. Here, we show that two retrotransposons, Shellder and Spoink, invaded the genomes of multiple species of the melanogaster subgroup within the last 50 years. Through horizontal transfer, Spoink spread in D.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
Division of Genomic Resources, ICAR-National Bureau of Agricultural Insect Resources, P. Bag No: 2491, H.A. Farm Post Bellary Road, Hebbal, Bangalore 560024, India.
Understanding the epigenetic molecular mechanisms (EMMs) of reproduction is crucial for developing advanced and targeted control strategies for Spodoptera frugiperda. Differential expression analysis revealed 11 known miRNAs with varying expression levels, including nine upregulated and two downregulated miRNAs, in virgin females compared with males. The predictive analysis identified 426 target genes for these miRNAs, with ribogenesis highlighted as a key process in oogenesis and egg fertilization.
View Article and Find Full Text PDFPLoS One
January 2025
Entomology & Biothreat Management Division, Defense Research Laboratory (DRL-DRDO), Tezpur, Assam, India.
Cotton leaf curl disease (CLCuD) is a major constraint for production of cotton (Gossypium sp.) in Northwest India. CLCuD is caused by a monopartite, circular ssDNA virus belonging to the genus Begomovirus in association with betasatellites and alphasatellites, and ttransmitted by a whitefly vector (Bemisia tabaci).
View Article and Find Full Text PDFTransgenic Res
January 2025
Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, Northeast Forestry University, Harbin, 150040, China.
Lignin is a crucial defense phytochemical against phytophagous insects. Cinnamoyl-CoA reductase (CCR) is a key enzyme in lignin biosynthesis. In this study, transgenic Populus davidiana × P.
View Article and Find Full Text PDFArch Virol
January 2025
Univ. Bordeaux, INRAE, UMR 1332 Biologie du Fruit et Pathologie, CS20032, 33882, Villenave d'Ornon Cedex, France.
A novel capulavirus was identified by high-throughput sequencing in four sugar beet (Beta vulgaris L.) plants collected in April 2023 in Normandy (France). The complete genome of 2744 nucleotides (nt) was sequenced and found to have an organization similar to that of known capulaviruses, with which it showed close phylogenetic relationships.
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