Uranotaenia bhutanensis Somboon, Namgay & Harbach was recently described as a new species of the Bimaculata Series of the subgenus Pseudoficalbia Theobald based on larvae collected from a log hole at high altitude in Bhutan. The adult female and pupa are described in this article based on the subsequent discovery of 2 paratype females with associated pupal exuviae.
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http://dx.doi.org/10.1093/jme/tjad117 | DOI Listing |
J Exp Clin Cancer Res
January 2025
Microenvironment and Biomarkers of Solid Tumors Unit, Department of Experimental Oncology, Amadeolab Fondazione IRCCS Istituto Nazionale Dei Tumori Di Milano, Milan, Italy.
Background: Growing evidence shows that the reprogramming of fatty acid (FA) metabolism plays a key role in HER2-positive (HER2 +) breast cancer (BC) aggressiveness, therapy resistance and cancer stemness. In particular, HER2 + BC has been defined as a "lipogenic disease" due to the functional and bi-directional crosstalk occurring between HER2-mediated oncogenic signaling and FA biosynthesis via FA synthase activity. In this context, the functional role exerted by the reprogramming of CD36-mediated FA uptake in HER2 + BC poor prognosis and therapy resistance remains unclear.
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January 2025
Department of Microbiology, Genetics, & Immunology, Michigan State University, East Lansing, MI, USA.
In holometabolous insects, critical weight (CW) attainment triggers pupation and metamorphosis, but its mechanism remains unclear in non-model organisms like mosquitoes. Here, we investigate the role of 20-hydroxyecdysone (20E) in CW assessment and pupation timing in Aedes albopictus and Ae. aegypti, vectors of arboviruses including dengue and Zika.
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January 2025
U.S. Department of Agriculture, Agriculture Research Service, Daniel K. Inouye U.S. Pacific Basin Agricultural Research Center, Hilo, USA.
The remarkable diversity of insect pigmentation offers a captivating avenue for studying evolution and genetics. In tephritids, understanding the molecular basis of mutant traits is also crucial for applied entomology, enabling the creation of genetic sexing strains through genome editing, thus facilitating sex-sorting before sterile insect releases. Here, we present evidence from classical and modern genetics showing that the black pupae (bp) phenotype in the GUA10 strain of Anastrepha ludens is caused by a large deletion at the ebony locus, removing the gene's entire coding region.
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December 2024
Research and Development Center, Insilicogen Inc., Yongin 16954, Republic of Korea.
The increasing global population and the environmental consequences of meat consumption have led to the exploration of alternative sources of protein. Edible insects have gained attention as a sustainable and nutritionally rich meat alternative. We investigated the effects of two commonly consumed insects, larva and pupa, on beneficial gut microbiota growth, using whole 16s metagenome sequencing to assess diet-associated changes.
View Article and Find Full Text PDFInsects
December 2024
Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, Biological Science Research Center, Southwest University, Chongqing 400715, China.
Cellulose is essential in the growth and development of herbivores. However, its limited utilization by herbivores is a key factor restricting their feed conversion rates. Cellulase can hydrolyze cellulose into glucose, and the addition of exogenous cellulase preparations to feed is an effective method for improving the cellulose utilization rate of ruminants.
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