نتایج جستجو برای: drosophila

تعداد نتایج: 69837  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1980
J N Thompson R C Woodruff

Mutator activity associated with the common male recombination (MR) chromosomes in Drosophila melanogaster appears to be suppressed in natural populations. Crosses between geographically separated populations, however, lead to the release of mutator activity as measured by a significant increase in visible mutations. Such an increase in mutation in hybrid individuals may be a powerful factor in...

2006
Tadeusz Dębniak Cezary Cybulski Grzegorz Kurzawski Bohdan Górski Tomasz Huzarski Tomasz Byrski Jacek Gronwald Janina Suchy Bartłomiej Masojć Marek Mierzejewski Marcin Lener Urszula Teodorczyk Krzysztof Mędrek Elżbieta Złowocka Ewa Grabowska-Kłujszo Katarzyna Nej-Wołosiak Anna Szymańska Jolanta Szymańska-Pasternak Joanna Matyjasik Thierry van de Wetering Anna Jakubowska Oleg Oszurek Aleksandra Tołoczko-Grabarek Jennifer Castaneda Rodney Scott Steven A Narod Jan Lubiński

Tadeusz Dêbniak, Cezary Cybulski, Grzegorz Kurzawski, Bohdan Górski, Tomasz Huzarski, Tomasz Byrski, Jacek Gronwald, Janina Suchy, Bart3omiej Masojæ, Marek Mierzejewski, Marcin Lener, Urszula Teodorczyk, Krzysztof Mêdrek, El¿bieta Z3owocka, Ewa Grabowska-K3ujszo, Katarzyna Nej-Wo3osiak, Anna Szymañska, Jolanta Szymañska-Pasternak, Joanna Matyjasik, Thierry van de Wetering, Anna Jakubowska, Oleg...

Journal: :The Journal of the Acoustical Society of America 2011
Lauren M Guillette Laurie L Bloomfield Emily R Batty Michael R W Dawson Christopher B Sturdy

The tseet contact call, common to black-capped (Poecile atricapillus) and mountain chickadees (P. gambeli), is the most frequently produced vocalization of each species. Previous work has characterized the tseet call of black-capped and mountain chickadees from different geographic locations in terms of nine acoustic features. In the current study, using similar methods, the tseet call of black...

Journal: :Molecular biology and evolution 2005
Lino Ometto Sascha Glinka David De Lorenzo Wolfgang Stephan

Identifying regions of the Drosophila melanogaster genome that have been recent targets of positive Darwinian selection will provide evidence for adaptations that have helped this species to colonize temperate habitats. We have begun a search for such genomic regions by analyzing multiple loci (about 250) dispersed across the X chromosome in a putatively ancestral population from East Africa an...

Journal: :Chemistry 2013
Pradip Pachfule Vishal M Dhavale Sharath Kandambeth Sreekumar Kurungot Rahul Banerjee

Porous nitrogen-rich carbon (POF-C-1000) that was synthesized by using a porous organic framework (POF) as a self-sacrificing host template in a nanocasting process possessed a high degree of graphitization in an ordered structural arrangement with large domains and well-ordered arrays of carbon sheets. POF-C-1000 exhibits favorable electrocatalytic activity for the oxygen-reduction reaction (O...

Journal: :Biology letters 2015
Francisco Garcia-Gonzalez Damian K Dowling

The consequences of sexual interactions extend beyond the simple production of offspring. These interactions typically entail direct effects on female fitness, but may also impact the life histories of later generations. Evaluating the cross-generational effects of sexual interactions provides insights into the dynamics of sexual selection and conflict. Such studies can elucidate whether offspr...

2012
Rashad Al-Salahi Mohamed Marzouk Mohammed Abbas Seik Weng Ng

The triazoloquinazoline fused-ring system of the title compound, C(10)H(8)N(4)O(3)S, is essentially planar (r.m.s. deviation = 0.027 Å). In the crystal, adjacent mol-ecules are linked by N-H⋯O(sulfon-yl) hydrogen bonds, generating a helical chain running along the b axis.

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2016
Séverine Trannoy Jill Penn Kenia Lucey David Popovic Edward A Kravitz

In many animal species, learning and memory have been found to play important roles in regulating intra- and interspecific behavioral interactions in varying environments. In such contexts, aggression is commonly used to obtain desired resources. Previous defeats or victories during aggressive interactions have been shown to influence the outcome of later contests, revealing loser and winner ef...

Journal: :Revista de la Sociedad Entomológica Argentina 2023

Drosophila suzukii Matsumura, 1931 (Diptera: Drosophilidae) is an invasive pest species that causes damage to fruit crops due premature deterioration of ripe fruits by oviposition inside them. A review D. detections in Argentina was carried out and we updated this list with the results our sampling Northwest, Cuyo Northeast regions. The surveys determined first provinces Jujuy Córdoba, revealin...

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