Results 61 to 70 of about 19,813 (203)

Parthenogenesis did not consistently evolve in insular populations of Ischnura hastata (Odonata, Coenagrionidae) [PDF]

, 2017
1. The evolutionary advantages that have driven the evolution of sex are still very much debated, and a number of benefits of parthenogenesis over sexual reproduction have been proposed.
Almbro, Archetti, Baker, Bell, Burnham, Burnham, Cheptou, Cook, Cordero-Rivera, Cordero-Rivera, Cuéllar, Degen, Dijkstra, Dunkle, Fincke, Fincke, Garrison, Geijskes, GenStat, Gerritsen, Glesener, Jiménez-Cortés, Jordan, Keightley, Kondrashov, Lebreton, Lorenzo-Carballa, Lorenzo-Carballa, Lorenzo-Carballa, Massol, Matsuura, Maynard Smith, Morbey, Naraoka, Peck, Peck, Ridley, Robinson, Rowe, Schwander, Suomalainen, Sánchez-Guillén, Teder, Valen, Vandel, Vrijenhoek, West, White   +47 more
core   +1 more source

Reduced fecundity associated with Wolbachia infection in a Neotropical drosophilid Redução da fecundidade associada à infecção por Wolbachia em um drosofilídeo Neotropical

Ecological Entomology, EarlyView.
Using multiple infected and uninfected Drosophila sturtevanti lines, we investigated (i) the impact of Wolbachia on fecundity and (ii) its effects relative to antibiotic treatment. Based on over 1680 dissected ovaries, fecundity was similar between infected and uninfected flies.
Letícia Carlesso de Paula Sena, Marina Magalhães Moreira, Luísa de Paula Bouzada Dias, Jhonny José Magalhães Guedes, Karla Suemy Clemente Yotoko   +4 more
wiley   +1 more source

The Discovery of XY Sex Chromosomes in a \u3cem\u3eBoa\u3c/em\u3e and \u3cem\u3ePython\u3c/em\u3e [PDF]

, 2017
For over 50 years, biologists have accepted that all extant snakes share the same ZW sex chromosomes derived from a common ancestor [1, 2, 3], with different species exhibiting sex chromosomes at varying stages of differentiation.
Banks, Jason L., Booth, Warren, Card, Daren C., Castoe, Todd A., Gamble, Tony, Nielsen, Stuart V., Schield, Drew R., Schuett, Gordon W.   +7 more
core   +1 more source

Developmental expression of Ap‐Vas proteins in aphids and flies reveals their evolutionary roles in insects

Insect Molecular Biology, EarlyView.
Duplication of vas genes is universally observed in aphids, and phylogenetic analysis indicates that this event predates the divergence of Aphididae and Phylloxeridae. Ap‐vas1 is germline‐specific, whereas Ap‐vas2–4 exhibit somatic expression, indicating functional divergence during aphid embryogenesis.
Gee‐Way Lin, Szu‐Chieh Wang, Charles E. Cook, Ming‐Der Lin, Chun‐che Chang   +4 more
wiley   +1 more source

Change in gene expression of mouse embryonic stem cells derived from parthenogenetic activation [PDF]

, 2017
BACKGROUND We previously established parthenogenetic mouse embryonic stem cells (ESCs) and this study was subsequently conducted for elucidating the influence of oocyte parthenogenesis on gene expression profile of ESCs.
Gong, Seung Pyo, Kim, Heebal, Lee, Eun Ju, Lee, Ho-Joon, Lee, Seung Tae, Lim, Jeong Mook, Moon, Sunjin   +6 more
core  

Potential of the Predatory Mites Gamasellodes lavafesii (Mesostigmata: Ascidae) and Cosmolaelaps mediocuspis (Mesostigmata: Laelapidae) on Different Soil Pests/Parasites and Alternative Prey for Large‐Scale Rearing

Journal of Applied Entomology, EarlyView.
ABSTRACT Many species of Mesostigmata soil mites have potential as biological control agents of pests/parasites. This study evaluated the predation potential of two of these species, Gamasellodes lavafesii (Ascidae) and Cosmolaelaps mediocuspis (Laelapidae).
A. R. A. Barros, J. P. I. Martin, G. J. Moraes, M. M. Inomoto, R. C. Castilho   +4 more
wiley   +1 more source

Strategies for the evolution of sex [PDF]

, 2001
We find that the hypothesis made by Jan, Stauffer and Moseley [Theory in Biosc., 119, 166 (2000)] for the evolution of sex, namely a strategy devised to escape extinction due to too many deleterious mutations, is sufficient but not necessary for the ...
A. Bernardes, A. Kondrashov, A. Pekalski, Ayşe Erzan, B. Chopard, B. Drossel, B. Örcal, C. Chisholm, D. Stauffer, D. Stauffer, E.J. Lyons, E.P. Solomon, Erkan Tüzel, H.L. Muller, J. Maynard Smith, J. Maynard Smith, J. Maynard Smith, J. Thoms, J.M. Smith, J.S. SaMartins, L.M. Prescott, M. Eigen, N. Jan, R.J. Redfield, S.S. Mader, T.J. Penna, Volkan Sevim, W.D. Hamilton, Y. Cui   +28 more
core   +2 more sources

Hybrid sorghum breeding in China: A historical review and perspectives

Journal of Integrative Plant Biology, EarlyView.
To commemorate the 60th anniversary of the promotion and application of three‐line hybrid sorghum in China, this review highlights pivotal scientific breakthroughs, systematically summarizes the progress in hybrid sorghum breeding and dwarf sorghum breeding in the country, and presents an outlook on the future of sorghum breeding.
Xiangxiang Meng, Lu Li, Qian Qian, Liang Jiang, Zhaosheng Kong   +4 more
wiley   +1 more source

Increased Virulence of an Epidemic Strain of Vesicular Stomatitis Virus Is Associated With Interference of the Innate Response in Pigs

Frontiers in Microbiology, 2018
Vesicular stomatitis virus (VSV) causes sporadic outbreaks of vesicular disease in the southwestern United States. The intrinsic characteristics of epidemic strains associated with these outbreaks are poorly understood.
Lauro Velazquez-Salinas, Lauro Velazquez-Salinas, Lauro Velazquez-Salinas, Steven J. Pauszek, Carolina Stenfeldt, Carolina Stenfeldt, Emily S. O’Hearn, Juan M. Pacheco, Manuel V. Borca, Antonio Verdugo-Rodriguez, Jonathan Arzt, Luis L. Rodriguez   +11 more
doaj   +1 more source

\u3ci\u3eLongitarsus Melanurus\u3c/i\u3e (Coleoptera: Chrysomelidae) Reproduces on \u3ci\u3eOnosmodium Molle\u3c/i\u3e (Boraginaceae) [PDF]

, 2018
(excerpt) Longitarsus melanurus (Melsheimer) was first associated with Onosmodium Michx. by Popenoe (1877) in Kansas where the sole species is O. molle Michx. (Great Plains Flora Assn. 1986).
Williams, Andrew H
core   +2 more sources