Results 61 to 70 of about 3,201 (168)

Serotonergic neuronal death and concomitant serotonin deficiency curb copulation ability of Drosophila platonic mutants

Nature Communications, 2016
Drosophila platonic (plt) mutant males court with females but fail to copulate. Here, the authors find plt is an allele of scribblerand may disrupt courtship behaviour via developmental disruption of a subgroup of serotonergic Doublesex+ neurons in the ...
Yasemin B. Yilmazer, Masayuki Koganezawa, Kosei Sato, Jinhua Xu, Daisuke Yamamoto   +4 more
doaj   +1 more source

The gene transformer-2 of Anastrepha fruit flies (Diptera, Tephritidae) and its evolution in insects

BMC Evolutionary Biology, 2010
Background In the tephritids Ceratitis, Bactrocera and Anastrepha, the gene transformer provides the memory device for sex determination via its auto-regulation; only in females is functional Tra protein produced.
Selivon Denise, Perondini André LP, Eirín-López José M, Ruiz María F, Sarno Francesca, Sánchez Lucas   +5 more
doaj   +1 more source

Monitoring African Megafauna in an Anthropogenic Landscape: A 15‐Year Case Study of the Vulnerable West African Giraffe

Animal Conservation, Volume 29, Issue 3, Page 235-248, June 2026.
We used pattern recognition software to correct misidentifications in a 15‐year photographic database of the last, vulnerable West African giraffe population in Niger. After revealing substantial methodological errors that had inflated population estimates by nearly 19%, we corrected individual encounter histories and applied capture‐mark‐recapture ...
Mara Vukelić, Ella W. White, Julian Fennessy, Abdoul Razack Moussa Zabeirou, Kateřina Gašparová, Simon Valle, Michael B. Brown, Thomas Rabeil, Karolína Brandlová   +8 more
wiley   +1 more source

Neural-circuit basis of song preference learning in fruit flies

iScience
Summary: As observed in human language learning and song learning in birds, the fruit fly Drosophila melanogaster changes its auditory behaviors according to prior sound experiences.
Keisuke Imoto, Yuki Ishikawa, Yoshinori Aso, Jan Funke, Ryoya Tanaka, Azusa Kamikouchi   +5 more
doaj   +1 more source

Genetic and neuronal mechanisms governing the sex-specific interaction between sleep and sexual behaviors in Drosophila

Nature Communications, 2017
Genes and circuits involved in sleep and sexual arousal have been extensively studied in Drosophila. Here the authors identify the sex determination genes fruitless and doublesex, and a sex-specific P1-DN1 neuronal feedback that governs the interaction ...
Dandan Chen, Divya Sitaraman, Nan Chen, Xin Jin, Caihong Han, Jie Chen, Mengshi Sun, Bruce S. Baker, Michael N. Nitabach, Yufeng Pan   +9 more
doaj   +1 more source

Developmental genetic underpinnings of a symbiosis-associated organ in the fungus-farming ambrosia beetle Euwallacea validus

Scientific Reports, 2023
Mutualistic interactions between organisms often mediate the innovation of traits essential to maintain the relationship. Yet our understanding of these interactions has been stymied due to various hurdles in studying the genetics of non-model animals ...
Ellie J. Spahr, Fady Wasef, Matt T. Kasson, Teiya Kijimoto   +3 more
doaj   +1 more source

Integrative Advances in Equine Genomics From Reference Assemblies to Evolutionary History and Key Traits

Evolutionary Applications, Volume 19, Issue 6, June 2026.
ABSTRACT Horses are major domestic animals and cultural symbols that have accompanied humans for millennia. They underpin transport, agriculture, warfare and sport, and also provide a model for studying domestication, complex traits and adaptive evolution.
Ying Lu, Ruoshan Ma, Bo Wang, Jiao Wu, Yuqing Chong, Zhendong Gao, Weidong Deng   +6 more
wiley   +1 more source

Structure Formation in Butterfly Scales: Interplay of Genetic Control, Mechanical Instabilities, and Dynamic Material Properties

Advanced Functional Materials, Volume 36, Issue 38, 11 May 2026.
Butterfly wing scales are intricate cuticular functional nanosctructures. This perspective suggests that spatially varying material properties, cytoskeletal constraints, and growth‐driven mechanical instabilities shape the resulting nanoscale architectures created from single cells.
Anupama Prakash, Victoria Lloyd, Yi Yang, Anna‐Lee Jessop, Anthony McDougal, Primož Pirih, Guillaume Duclos, Andrew Parnell, Mathias Kolle, Nicola J. Nadeau, Bodo D. Wilts   +10 more
wiley   +1 more source

The Role of DNA Methylation and ZBTB Transcription Factors in Sex Differentiation, Maintenance and Heat‐Induced Masculinization in Zebrafish

Molecular Reproduction and Development, Volume 93, Issue 5, May 2026.
ABSTRACT Sex differentiation, the process by which an organism develops as a male or female, can be influenced by the environment in many species. High temperature, or pollutant exposure, can lead to skewed sex‐ratios and genotype‐phenotype mismatches that can seriously threaten populations and biodiversity. Understanding the mechanisms involved in sex
Fabien Pierron, Débora Heroin, Flore Daramy   +2 more
wiley   +1 more source

Trade policy uncertainty, organization of firms, and the form of international trade

Canadian Journal of Economics/Revue canadienne d'économique, Volume 59, Issue 2, Page 636-663, May 2026.
Abstract This paper investigates the hypothesis that lower trade policy uncertainty (TPU) reduces the share of intrafirm trade in total trade. A significant change in US‐China TPU occurred in 2001 when China joined the WTO, providing a natural experiment to test this hypothesis.
Felix Fosu
wiley   +1 more source