Results 61 to 70 of about 104,321 (292)

Prevalence, intensity, and effect of a nematode (Philometra saltatrix) in the ovaries of bluefish (Pomatomus saltatrix) [PDF]

, 2006
Examination of 203 adult bluefish (Pomatomus saltatrix) from Long Island, New York, in 2002 and 2003 and 66 from the Outer Banks, North Carolina, in 2003 revealed the presence of dracunculoid nematodes (Philometra saltatrix) in the ovaries of female ...
Clarke, Lora M., Conover, David O., Dove, Alistair D. M.   +2 more
core  

Mechanisms of Aristolochic Acid Resistance in Specialist Butterflies and Evolutionary Insights for Potential Protective Pathways

Advanced Science, EarlyView.
The study provides an extreme example of insect adaptation to highly toxic defenses of host plants, and investigates the complex strategies to resist carcinogenic aristolochic acids, including physical isolation, metabolic detoxification, and DNA repair.
Yang Luan, Yubo Zhang, Jingjing Li, Jianqing Zhu, Yuyang Lei, Yushi Hu, Zhenqiang Xin, Tianpei Xie, Jiang Zheng, Yuanyuan Lin, Jingjing Shen, Yiyi Cao, Xinyue You, Jing Xi, Jiaying Wu, Weiying Liu, Xinyu Zhang, Yuanting Zheng, David J. Lohman, Leming Shi, Wei Zhang   +20 more
wiley   +1 more source

SEX DETERMINATION AND CONTROL MECHANISMS IN BIRDS [PDF]

Biotechnologia Acta, 2013
The modern conception of genetic bases of bird’s sex determination is considered. Following the genotypic mechanism of sex determination, birds implement a complex system of sex chromosome relationships.
M. T. Tagirov
doaj   +1 more source

Description of the spermathecae and testicles of Triatoma melanocephala Neiva & Pinto, 1923 (Hemiptera: Reduviidae: Triatominae)

Revista Chilena de Entomología, 2023
Triatoma melanocephala is an endemic species of Brazil. Phenotypic (external morphology) and molecular studies were performed to contribute to the taxonomy and phylogeny of triatomines, since few studies on the internal morphology of these were found. In
Jader de Oliveira, Kaio Cesar Chaboli Alevi, Juliana Damieli Nascimento, Vagner José Mendonça, Renato Freitas de Araújo, João Aristeu da Rosa   +5 more
doaj   +1 more source

An unusual cause of gynaecomastia in a male [PDF]

, 2019
Summary: Beta-human chorionic gonadotropin (βhCG) is normally produced by syncytiotrophoblasts of the placenta during pregnancy and aids embryo implantation.
Bano, G, Beharry, N, Du Parcq, J, Hameed, A, Rehman, T   +4 more
core   +1 more source

Single‐Cell Mitochondrial Lineage Tracing Decodes Fate Decision and Spatial Clonal Architecture in Human Hematopoietic Organoids

Advanced Science, EarlyView.
This study repurposes mitochondrial DNA mutations as endogenous barcodes for lineage tracing in human pluripotent stem cell‐derived organoids. Integrated with transcriptomic and spatial data, it reveals NOTCH‐mediated stromal‐progenitor crosstalk orchestrates clonal dynamics and spatial zonation during early hematopoietic development, offering a non ...
Yan Xue, Junhao Su, Yiming Chao, Lu Liu, Xinyi Lin, Yang Xiang, Mun Kay Ho, Zezhuo Su, Junyi Chen, Zhuojuan Luo, Chengqi Lin, Ruibang Luo, Theo Aurich, Jianfeng Wu, Kelvin Sin Chi Cheung, Yuanhua Huang, Joshua W. K. Ho, Ryohichi Sugimura   +17 more
wiley   +1 more source

PHYSIOLOGICAL ASPECTS OF GROWTH, GENDER CYCLE AND RIPENING OF SO-IUY MULLET (LIZA HAEMATOCHEILUS, TEMMINCK & SHLEGEL) IN THE AZOV-BLACK SEA POOL

Ветеринарная патология, 2020
The analysis of the physiological state of the so-iuy mullet of the Azov-Black sea basin at different periods of the life cycle is carried out. Metabolic parameters in the period of growth and maturation of so-iuy mullet are estimated.
G. G. Kornienko, L. A. Bugaev, S. G. Sergeeva, L. P. Ruzhinskaya, S. I. Dudkin, N. I. Tsema, A. V. Voykina   +6 more
doaj   +1 more source

Investigation of \u3cem\u3ede novo\u3c/em\u3e cholesterol synthetic capacity in the gonads of goldfish (\u3cem\u3eCarassius auratus\u3c/em\u3e) exposed to the phytosterol beta-sitosterol [PDF]

, 2006
Total and intra-mitochondrial gonadal cholesterol concentrations are decreased in fish exposed to the phytoestrogen beta-sitosterol (beta-sit). The present study examined the potential for beta-sit to disrupt de novo cholesterol synthesis in the gonads ...
Drolet, Melissa, MacLatchy, Deborah L., Sharpe, Rainie L.   +2 more
core   +1 more source

Effect Differences of Omega‐3 Fatty Acids From Plant Oil and Fish Oil on Human Health

AgriFood: Journal of Agricultural Products for Food, EarlyView.
Omega‐3 fatty acids in plant oil is no less than fish oil on human health. ALA in plant oil takes directly healthy effects without conversion to DHA and EPA. Plant oil can be substitutes for fish oil to support partial ω‐3 fatty acids. For people who cannot afford fish oil, plant oil is also good for public health.
Mengxue Fang, Chunyan Xiang, Liangxiao Zhang, Peiwu Li   +3 more
wiley   +1 more source

Relación hormonal en el desarrollo crónico del espectro esquizofrénico y otros trastornos psicóticos en pacientes adolescentes: Actualización de la literatura

Revista de Medicina e Investigación Universidad Autónoma del Estado de México
Adolescence is established as an important stage in the human being, we try to show how positive or negative this stage can be in the development of an adequate environment, elucidating the benefits or consequences that can affect the ...
Ignacio Uriel Macias Paz, Ana Carla Calles Vicencio, Anette Michelle Ávila Silva, Christian Jair Ramos Gómez, Victoria Alexa Ledesma Compean, José Eugenio Guerra Cárdenas   +5 more
doaj   +1 more source