Results 21 to 30 of about 1,320,415 (233)

The Formation of Bivalents and the Control of Plant Meiotic Recombination

open access: yesFrontiers in Plant Science, 2021
During the first meiotic division, the segregation of homologous chromosomes depends on the physical association of the recombined homologous DNA molecules.
Yared Gutiérrez Pinzón   +3 more
doaj   +1 more source

Crossover interference mechanism: New lessons from plants

open access: yesFrontiers in Cell and Developmental Biology, 2023
Plants are the source of our understanding of several fundamental biological principles. It is well known that Gregor Mendel discovered the laws of Genetics in peas and that maize was used for the discovery of transposons by Barbara McClintock.
Nahid Rafiei, Arnaud Ronceret
doaj   +1 more source

Investigation of Wildlife Crossing Structures in South Korea [PDF]

open access: yesGeo Data, 2023
Roads, railways and infrastructure are constructed with consideration of their environmental impacts, especially habitat fragmentation. Wildlife crossing structures increase the permeability of roads and other linear infrastructures for wildlife by ...
Euigeun Song   +4 more
doaj   +1 more source

The role of environmental, structural and anthropogenic variables on underpass use by African savanna elephants (Loxodonta africana) in the Tsavo Conservation Area

open access: yesGlobal Ecology and Conservation, 2022
Wildlife crossing structures are effective interventions for mitigating fragmentation of habitats by linear infrastructure. The 2017 construction of a new railway cutting through the Tsavo Conservation Area (TCA), home to the largest elephant population ...
Michael Koskei   +5 more
doaj   +1 more source

Mutation of the ATPase Domain of MutS Homolog-5 (MSH5) Reveals a Requirement for a Functional MutSγ Complex for All Crossovers in Mammalian Meiosis

open access: yesG3: Genes, Genomes, Genetics, 2019
During meiosis, induction of DNA double strand breaks (DSB) leads to recombination between homologous chromosomes, resulting in crossovers (CO) and non-crossovers (NCO).
Carolyn R. Milano   +7 more
doaj   +1 more source

Rmi1 stimulates decatenation of double Holliday junctions during dissolution by Sgs1-Top3 [PDF]

open access: yes, 2010
double Holliday junction (dHJ) is a central intermediate of homologous recombination that can be processed to yield crossover or non-crossover recombination products. To preserve genomic integrity, cells possess mechanisms to avoid crossing over. We show
C Gaillard   +37 more
core   +2 more sources

Crossing over with the Angel

open access: yesSign Systems Studies, 2005
This essay is an analytical extension of Roland Barthes’ structural analysis of an excerpt from the Old Testament (Genesis 32: 22–32), known as “The Struggle with the Angel”. It thus continues the search for “the third meaning” of this enigmatic passage.
Alexander V. Kozin
doaj   +1 more source

Linkage variation and chromosome maps [PDF]

open access: yes, 1921
A recent paper in this journal by Detlefsen(1) is introduced as follows: "There is a well intrenched concept of recent genetics that hereditary factors or genes may be given fairly definite loci on chromosome maps and that these maps correspond to or ...
Sturtevant, A. H.
core   +1 more source

Boundary-crossing identities for diffusions having the time-inversion property [PDF]

open access: yes, 2009
We review and study a one-parameter family of functional transformations, denoted by (S (β)) β∈ℝ, which, in the case ...
A. Martin-Löf   +38 more
core   +3 more sources

Crossing over; taking refuge: A contrapuntal reading

open access: yesHTS Teologiese Studies/Theological Studies, 2014
In this article, I undertake a contrapuntal reading (a type of reading developed within post-colonial studies) engaging the Gospel of Matthew and the current global and local contexts of migration.
Elaine M. Wainwright
doaj   +1 more source

Home - About - Disclaimer - Privacy