Sentences with phrase «hybridization between»

We have used genome - wide data and a population genetic approach to dissect the genetic basis of reproductive isolation in the European rabbit by taking advantage of natural hybridization between subspecies in the Iberian Peninsula.

Klein will investigate, using the genotyping by sequencing approach, the chromosomal location of potential genetic barriers affecting successful hybridization between the two.

Ancient origins, evolution, and the future of bread wheat agriculture Originally formed during the spread of agriculture among settled societies, bread wheat came about from the hybridization between cultivated wheat (T. dicoccoides) and goat grass (Aegilops tauschii) about 8,000 years ago.

The researchers found that, although the hybridization between the two hominid species likely took place, the Neanderthals continued to uphold their own cultural traditions.

One of the most striking aspects of this study is that hybridization between two distinct species led to the development of a new lineage that after only two generations behaved as any other species of Darwin's finches, explained Leif Andersson, a professor at Uppsala University who is also affiliated with the Swedish University of Agricultural Sciences and Texas A&M University.

Akey added that hybridization between Neanderthals and modern man is still a valid source of worry, as those ancient relics still result in greater genomic complexity.

Biologists once thought that hybridization between species was rare and an evolutionary dead end.

Guenons often form polyspecfic groups in which up to six species live side by side, however hybridization between species, while possible, is rare in undisturbed circumstances.

In a study published in Nature Communications, they demonstrate for the first time that this rapid evolution was facilitated by earlier hybridization between two distantly related cichlid species from the Upper Nile and Congo drainage systems.

This allowed the group led by Ole Seehausen (head of the Fish Ecology and Evolution department at Eawag and Professor of Aquatic Ecology at Bern University) to provide strong evidence for his theory that hybridization between divergent species, in conjunction with ecological opportunity, can facilitate rapid adaptive radiation.

The study showed at least three instances of introgressive hybridization between the two species.

Hybridization between genetically modified Atlantic salmon and wild brown trout reveals novel ecological interactions.

Ben Sheldon of the University of Oxford and his colleagues studied hybridization between two closely related species, pied flycatchers and collared flycatchers.

A new study from The Condor: Ornithological Applications investigates hybridization between Mallards and Mottled Ducks, a species specially adapted for life in Gulf Coast marshes, and finds that while hybridization rates are currently low, human activity could cause them to rise in the future.

«Hybridization between species is quite common in birds and we often assume that the hybrids are going to be obvious intermediates between parental species.

Overall, aquatic ecosystems in western North America are predicted to experience increasingly earlier snowmelt in the spring, reduced late spring and summer flows, warmer and drier summers, and increased water temperatures — all of which spell increased hybridization between these species.

Historical genetic samples revealed that hybridization between the two fish species was largely confined to one downstream Flathead River population.

Scientists have discovered that the rapid spread of hybridization between a native species and an invasive species of trout in the wild is strongly linked to changes in climate.

Moreover, the results are consistent with molecular genetic data relating to the ongoing diversification of the family in the Great Lakes region of East Africa, which have indicated that hybridization between members of related species or even genera has played a major role in cichlid speciation.

The hybridization between ancient cultivated apples and M. sylvestris, followed by extensive human selection, gave us new apples that are larger and fuller in flavor, and with a crispy firmness that gives them a longer shelf life.

A selection from a hybridization between «New Mexico No. 6 ′ and Anaheim» produced «Rio Grande 21»; Dr. Harper released it in 1967 (Harper, 1967).

The cultivar originated from a hybridization between «New Mexico No. 9» and a California Anaheim - type cultivar.

«NuMex Garnet» originated from a hybridization between «B - 18» and a New Mexican - type cultivar.

This cultivar resulted from a hybridization between «Sandia» and a Northern New Mexico strain of chile.

It originated from a hybridization between «La Blanca» and «Santaka.»

Not exact matches

The build - up of reproductive isolation between species typically takes very long time but the recent contact zone on Öland means that causes and consequences of hybridization can be studied in real time.

Unexpectedly, they show that the appearance of duplicated genes was not caused by a simple duplication of the whole genome but rather by a mating («hybridization») event between two different species.

«At last, we know there was a hybridization, possibly a chance cross» between Cabernet franc and Sauvignon blanc.

Large genetic distance, multiple genetically fixed nucleotide site differences, morphological and habitat distinctions, and extremely limited hybridization of gene flow between forest and savannah elephants support the recognition and conservation management of two African species: Loxodonta africana and Loxodonta cyclotis.

For example, scientists have documented hybrid zones between introduced and native species, and climate change has already been linked to hybridization among flying squirrels in eastern North America.

The researchers used long - term genetic monitoring data coupled with high - resolution climate and stream temperature predictions to assess whether climate warming enhances interactions between native and nonnative species through hybridization.

It is also possible that some gene and local species tree incongruence could reflect ancient hybridization during the radiation, but distinguishing between this and other sources of hemiplasy (83) would require more complete assemblies, genes without missing data across species, and development of new methods (84).

But a new study in Nature Climate Change predicts that the overall occurrence of these hybridization events between closely related species will actually be relatively low: On average, only 6.4 % of species are expected to come into geographic contact with a hybridization possibility by the end of the century.

The researchers find that Italian sparrow populations from different islands probably result from independent hybridization events between their parent species, the house sparrow and Spanish sparrow.

Though crossbreeding between Amazonian butterflies was not triggered by climate change, it is an example of hybridization that strengthens the survival abilities of a species.

Now, says Peter Grant, «he might wish to redraw that tree by making connections between some of the branches, representing the hybridization and gene exchange».

The boxed regions (a — e) correspond to the Class I KCs whose somata are located inside the calyces (a), parts of the Class II KCs whose somata are located outside of calyces (b and c), the restricted area located between the DL and lobula of the OL (d), and a part of the OL (e), whose in situ hybridization results are presented in the right panels (D — R).

Statistical analyses of the number of Acks signals detected in in situ hybridization experiments using sections of brains of heat - exposed (n = 6) and non-treated control workers (n = 5) indicated that the numbers of Acks signals significantly increased in the Class I and Class II KCs and in the brain area between the DLs and the OLs in the heat - exposed workers compared with those of control workers, whereas there were no significant differences of the number of Acks signals in the OLs (Figure 5M).

Statistical analyses of the number of Acks signals detected in in situ hybridization experiments using sections corresponding to the middle brain parts (n = 5, 5, and 4 for 0, 30, and 60 min, respectively) revealed that there was a significant increase in the number of Acks signals at 30 and 60 min after the bee ball formation in both the Class I and the Class II KCs, and at 60 min after the bee ball formation in the brain area between the DLs and the OLs, and in the OLs (Figure 4S).

The difference between de-extinction and hybridization is that natural hybridization would introduce both trait mutations and silent mutations into a lineage randomly.

The high resolution that is achieved by these techniques, particularly by microarray technologies such as array comparative genomic hybridization, is blurring the traditional distinction between cytogenetics and molecular biology.

By hybridization we found there were regions of conservation even between bacteria and eukaryotes.

The «hybridization» of home schooling has, along with other choice mechanisms and recent Establishment Clause interpretation, blurred the line between government and private educational spheres.

I'm really interested in hybridity from a cultural perspective, but I chose to focus on inter-species hybridization because I didn't want it to be merely about the fusion and mixture of culture, but also about the transparency of boundaries between things we identify as whole in and of themselves.

The difference between de-extinction and hybridization is that natural hybridization would introduce both trait mutations and silent mutations into a lineage randomly.