Results 161 to 170 of about 1,812,822 (414)

Sexual replication in the quasispecies model [PDF]

arXiv, 2005
This paper develops a simplified model for sexual replication within the quasispecies formalism. We assume that the genomes of the replicating organisms are two-chromosomed and diploid, and that the fitness is determined by the number of chromosomes that are identical to a given master sequence. We also assume that there is a cost to sexual replication,
arxiv  

Chromosome‐Level Genome Assembly of the Leafcutter Bee Megachile rotundata Reveals Its Ecological Adaptation and Pollination Biology

Advanced Science, EarlyView.
The genome of Megachile rotundata, an extensively managed solitary pollination bee species, has been sequenced, covering 280.68 Mb and predicting 10 701 genes. The study reveals significant expansions of the Toll gene family and their abundant expression in diapause prepupae, highlighting enhanced immune responses during diapause. This genome serves as
Rangjun Shi, Pan Duan, Mengmeng Zhu, Rong Zhang, Zihua Zhao, Xin Nie, Hanhou He, Li Hou, Xianhui Wang   +8 more
wiley   +1 more source

Sexual reproduction in Aspergillus flavus sclerotia naturally produced in corn.

Phytopathology, 2014
Aspergillus flavus is the major producer of carcinogenic aflatoxins worldwide in crops. Populations of A. flavus are characterized by high genetic variation and the source of this variation is likely sexual reproduction.
B. Horn, R. Sorensen, M. Lamb, V. Sobolev, R. Olarte, Carolyn J Worthington, I. Carbone   +6 more
semanticscholar   +1 more source

Let’s Talk About it: Caregivers’ Perspective on Communication About Sexuality with Foster Youth

, 2015
Foster youth are particularly at risk for pregnancy and are 2.5 times more likely to become pregnant by age 19 than their peers that are not in the child welfare system (Comlossy, 2013).
Denby-Brinson, Ramona W., Gayden, Imani A.   +1 more
core  

The Shape of the Trade-Off Function Between Reproduction and Future Performance in \u3cem\u3ePlantago major\u3c/em\u3e and \u3cem\u3ePlantago rugelii\u3c/em\u3e [PDF]

, 2002
There is a paucity of data describing the nature of the trade-off function between reproduction and future performance. Most studies implicitly assume it is a linear function such that allocation of resources to reproduction results in a proportional ...
Baltzer, Jennifer L., Budge, Sonya, Reekie, Edward G.   +2 more
core   +1 more source

Oxytocin‐Mediate Modulation of Splenic Immunosuppression in Chronic Social Stress Through Neuroendocrine Pathways

Advanced Science, EarlyView.
Chronic social stress elevates oxytocin levels, leading to immunosuppression by enhancing regulatory T‐cell activity and promoting anti‐inflammatory macrophage polarization in the spleen. Blocking oxytocin signaling reverses these effects but worsens stress‐induced behavioral disorders and reduces survival rates. This highlights oxytocin's dual role in
Yi‐Shu Zhang, Hai‐Chao Chen, Jia‐Xin Cao, Si‐Wei Zhou, Yue‐Zhang Ma, Yu‐Hong Jing   +5 more
wiley   +1 more source

Characteristics of N6-methyladenosine Modification During Sexual Reproduction of Chlamydomonas reinhardtii

Genomics, Proteomics & Bioinformatics, 2023
The unicellular green alga Chlamydomonas reinhardtii (hereafter Chlamydomonas) possesses both plant and animal attributes, and it is an ideal model organism for studying fundamental processes such as photosynthesis, sexual reproduction, and life cycle ...
Ying Lv, Fei Han, Mengxia Liu, Ting Zhang, Guanshen Cui, Jiaojiao Wang, Ying Yang, Yun-Gui Yang, Wenqiang Yang   +8 more
doaj  

scCompass: An Integrated Multi‐Species scRNA‐seq Database for AI‐Ready

Advanced Science, EarlyView.
scCompass integrates and standardizes transcriptomic data from ≈105 million single cells across 13 species, enabling the identification of stable expression genes and organ‐specific expression genes in humans and mice. It provides scalable datasets for AI model training, pretrained model checkpoints, and user‐friendly platforms for data sharing ...
Pengfei Wang, Wenhao Liu, Jiajia Wang, Yana Liu, Pengjiang Li, Ping Xu, Wentao Cui, Ran Zhang, Qingqing Long, Zhilong Hu, Chen Fang, Jingxi Dong, Chunyang Zhang, Yan Chen, Chengrui Wang, Guole Liu, Hanyu Xie, Yiyang Zhang, Meng Xiao, Shubai Chen, Haiping Jiang, The X‐Compass Consortium, Yiqiang Chen, Ge Yang, Shihua Zhang, Zhen Meng, Xuezhi Wang, Guihai Feng, Xin Li, Yuanchun Zhou   +29 more
wiley   +1 more source

Fulfilment of fertility desires for the attainment of Global Sustainable Development Goals

BMJ Global Health, 2023
James Kiarie, Pascale Allotey, Rita Kabra, Gitau Mburu, Nancy Kidula, Asantesana Kamuyango, Nandita Thatte   +6 more
doaj   +1 more source

“I believe it when there is an expert next to me:” a qualitative analysis on the perceptions and experiences of pregnant women to self-monitor blood pressure in Lombok, Indonesia

BMC Pregnancy and Childbirth
Background Hypertensive disorders of pregnancy (HDP) are a leading cause of maternal deaths and require close monitoring of blood pressure (BP) to mitigate potential adverse effects. The World Health Organization (WHO) recommends self-monitoring of blood
Tigest Tamrat, Yuni Dwi Setiyawati, Maria Barreix, Nya’Jeumpa Madani, Antoine Geissbühler, Anuraj H. Shankar, Ozge Tuncalp   +6 more
doaj   +1 more source