Results 41 to 50 of about 1,661 (164)
Obtaining doubled haploids of Cucurbita pepo L.
Овощи России, 2021 Doubled haploids have been widely used worldwide in breeding programs and fundamental research as valuable homozygous material for about 100 years. The species Cucurbita pepo L.
E. A. Domblides +2 more
doaj +1 more source
Ecology and Evolution, Volume 16, Issue 7, July 2026.Sturgeons are an important species due to their complex genetic structure and evolutionary characteristics. Unfortunately, they are threatened with extinction due to illegal and overfishing, as well as the loss of their natural habitats. In our work, we examine the genetic diversity of four sturgeon species that inhabit the Black Sea basin and its ...
György Deák +4 more
wiley +1 more source
, 2013 Gynogenesis of Chinese long cucumber (Cucumis sativus L.) was obtained from unpollinated ovules cultured on cucumber basal medium (CBM) supplemented with thidiazuron (TDZ) and in some experiments AgNO3.
S. W. Si +4 more
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Evaluation of genetic stability of sugar beet (Beta vulgaris L.) plants obtained from unfertilized ovules using RAPD markers [PDF]
Journal of Central European Agriculture, 2019 In order to improve the methods of embryo regeneration applied so far in in vitro cultures, a two-phased, innovative method was used. It involved using a liquid and solid media.
Magdalena Tomaszewska-Sowa +1 more
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BioEssays, Volume 48, Issue 6, June 2026.Zebrafish illustrates how polygenic sex determination, maternal germline bottlenecks, and a structurally restless genome jointly destabilize deep homozygosity. These interlocking constraints make fully isogenic zebrafish lines effectively unattainable, turning this model into a natural “stress test” for assumptions about genetic background and ...
Álvaro J. Arana, Laura Sánchez
wiley +1 more source
Molecular Ecology, Volume 35, Issue 2, January 2026.ABSTRACT Parthenogenesis, or all‐female clonal reproduction, is rare among vertebrates. This is often attributed to the selective disadvantages of assumed reduction of genetic diversity in the absence of sex. However, parthenogenetic vertebrates have highly complex evolutionary histories, with most arising through hybridisation and many being polyploid.
Kate E. O'Hara +4 more
wiley +1 more source
Niche partitioning among sexual and unisexual Ambystoma salamanders
Ecosphere, 2016 Organisms that have ecologically similar sexual and asexual forms present an evolutionary puzzle, as theory predicts that eventually one form should eliminate the other.
Katherine R. Greenwald +2 more
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Macro‐Hybrid and Micro‐Hybrid of Fish
Reviews in Aquaculture, Volume 18, Issue 1, January 2026.ABSTRACT This study reviews the progress in fish breeding, focusing on distant hybridization and gynogenesis, and introduces the theory of macro‐hybrid and micro‐hybrid. The macro‐hybrid refers to the allo‐progeny derived from distant hybridization, including the allo‐progenies.
Qizhi Liu +16 more
wiley +1 more source
Factors increasing the efficiency of sugar beet gynogenesis in vitro culture
Журнал биологических наук и сельского хозяйстваThe aim of this article is to systematize the factors determining the efficiency of sugar beet gynogenesis and to substantiate a scheme for experimental testing of conditions for producing haploid and doubled haploid plants. The study analyzed literature
A.Yu. Magala, I.V. Arinicheva
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Aquaculture Research, Volume 2026, Issue 1, 2026.To optimize all‐female production in marbled flounder (Pseudopleuronectes yokohamae), a species with marked female‐biased growth, hormonal induction of pseudomales using 17α‐methyltestosterone (MT) is essential. However, its impact on somatic growth is dose‐dependent, and the underlying mechanisms remain poorly understood.
Luyao Cheng +7 more
wiley +1 more source