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Transfer of genetic material from one species to another
Introgression, also known as introgressive hybridization, in genetics is the transfer of genetic material from one species into the gene pool of another
Introgression
Human hybridization during the Paleolithic
introgression of archaic human DNA has influenced the biology of modern humans through both positive and negative selection. Adaptive introgression provided
Interbreeding between archaic and modern humans
Interbreeding_between_archaic_and_modern_humans
Genome resulting from the mating of closely related species
hybridization can enrich the genetic diversity of introgressed taxon, lead to introgression of beneficial genetic variation or even generate new hybrid species
Eukaryote_hybrid_genome
Archaic human species from Asia
single Denisovan introgression seen in Papuans. A 2019 study found a third wave of Denisovans that introgressed into East Asians. Introgression, also, may not
Denisovan
Introgressive hybridization, also known as introgression, is the flow of genetic material between divergent lineages via repeated backcrossing. In plants
Introgressive hybridization in plants
Introgressive_hybridization_in_plants
Fredotovic et al., 2014 Ananas comosus Pineapple Bromeliaceae Interspecific introgression Putative Ananas ananassoides Homoploid – Duval et al., 2003 Annona ×
List_of_plant_hybrids
results in introgression, which can occur in response to habitat disturbance that puts plant species into contact with each other. Introgression is gene
Hybridization in perennial plants
Hybridization_in_perennial_plants
Genus of hominins
long extinct. As discussed above, many introgressions have occurred between lineages, with evidence of introgression after separation of 1.5 million years
Homo
Extinct species of large cattle
17–7,000 years ago and 51 modern cattle breeds revealed some degree of introgression of aurochs genes into south European cattle, indicating that female
Aurochs
Inferred statistical population
Durvasula; Sriram Sankararaman (2020). "Recovering signals of ghost archaic introgression in African populations". Science Advances. 6 (7) eaax5097. Bibcode:2020SciA
Ghost_population
Melanesian inhabitants of New Guinea
their genome with the Denisovans, indicating this exchange. Denisovan introgressions may have influenced the immune system of present-day Papuans and potentially
Indigenous people of New Guinea
Indigenous_people_of_New_Guinea
Class of animals with milk-producing glands
through the process of genetic pollution, the uncontrolled hybridization, introgression genetic swamping which leads to homogenization or out-competition from
Mammal
Species of hominid in the genus Homo
Sankararaman S (February 2020). "Recovering signals of ghost archaic introgression in African populations". Science Advances. 6 (7) eaax5097. Bibcode:2020SciA
Human
Chili pepper cultivated in Northeast India
presence of some genetic material from Capsicum frutescens from an introgression event, however, there is no indication that this is related to its exceptional
Ghost_pepper
Hybrid wheat/rye crop
translocation triticale facilitates the transfer of R-genes.[citation needed] Introgression involves the crossing of closely related plant relatives, and results
Triticale
Offspring of cross-species reproduction
hybrid backcrosses with one of its parent species, a process called introgression. Hybrids can also cause speciation, either because the hybrids are genetically
Hybrid_(biology)
Cross between grizzly and polar bear
instances of introgressive hybridization between bear species, including introgression of polar bear DNA into brown bears during the Pleistocene ("grizzly
Grizzly–polar_bear_hybrid
Genetic study of ancient Neanderthal DNA
Neanderthal/Denisovan split. This involved either introgression coming from an unknown archaic human into Denisovans, or introgression from an earlier unidentified modern
Neanderthal_genetics
Citrus fruit and plant
subspecies, but also contained some prior Ryukyu mandarin introgression. They lack the pomelo introgression found in the closely related domesticated mandarin
Tachibana_orange
Subfamily of Old World monkeys
hybridization, particularly involving female introgression from Piliocolobus/Procolobus into Colobus and male introgression from Semnopithecus into Trachypithecus
Colobinae
Hypothetical West African archaeogenetic lineage
Arun; Sankararaman, Sriram (2020). "Recovering signals of ghost archaic introgression in African populations". Science Advances. 6 (7) eaax5097. Bibcode:2020SciA
Basal_West_African
Genus of flowering plants in the grass family Poaceae
through introgression. All but the Nicaraguan species of teosinte may grow in or very near corn fields, providing opportunities for introgression between
Zea_(plant)
Subspecies of honey bee
which are conservation areas for the A. m. siciliana showed no signs of introgression, demonstrating their effectiveness at protecting and preserving the
Apis_mellifera_siciliana
Basic unit of taxonomic classification, below genus
need to be reconciled, as they delimit species differently. Genetic introgression mediated by endosymbionts and other vectors can further make barcodes
Species
Species of legume
(cultivated varieties). This may make G. soja useful as a wild relative for introgression of aphid resistance. "Glycine max subsp. soja (Siebold & Zucc.) H.Ohashi"
Glycine_soja
Extinct human species
pool (negative selection). Similarly, a large portion of surviving introgression appears to be non-coding ("junk") DNA with few biological functions
Neanderthal
People of Andaman archipelago
Sarah A.; et al. (2026). "Recovering signatures of archaic hominin introgression using ancestral recombination graphs". Science – via Science. Purnomo
Andamanese_peoples
Edible fruit
multiple accessions has supported this, while also suggesting extensive introgression from Malus sylvestris following domestication. Central Asia is generally
Apple
Dog breed
"Genomic analysis reveals hypoxia adaptation in the Tibetan mastiff by introgression of the grey wolf from the Tibetan plateau". Molecular Biology and Evolution
Tibetan_Mastiff
Interbreeding between isolated populations
Hybrid Hybrid vigor Interbreeding between archaic and modern humans Introgression Population groups in biomedicine Korunes, Katharine L.; Goldberg, Amy
Genetic_admixture
Type of rice
(September 2015). "The Birth of a Black Rice Gene and Its Local Spread by Introgression". The Plant Cell. 27 (9): 2401–14. doi:10.1105/tpc.15.00310. PMC 4815089
Black_rice
related sympatric species by means of hybridisation and comprehensive introgression. The concept has in practice been applied to plants. The target species
Compilospecies
Genus of flowering plants
do not share these adaptations. Still, hybridization and subsequent introgression occurs in North American columbines. Such hybridization across columbines
Aquilegia
Hybrid carnivore
mountain cat as a wildcat conspecific (Felis silvestris bieti) and its introgression to domestic cats". Science Advances. 7 (26) eabg0221. Bibcode:2021SciA
Felid_hybrids
Dog breed
genome introgression from the ancestor of the recently extinct Japanese wolf, with Japanese dogs showing 4% genome introgression. This introgression occurred
New_Guinea_singing_dog
Disease in dogs and other canines
2019). "Canine transmissible venereal tumor genome reveals ancient introgression from coyotes to pre-contact dogs in North America". Cell Research. 29
Canine transmissible venereal tumor
Canine_transmissible_venereal_tumor
Genus of flowering plants constituting the family Platanaceae
evolutionary processes in the past (ancient or recent hybridization and introgression): Platanus palmeri (= P. occidentalis var. palmeri) – forming the southwesternmost
Platanus
Subspecies of brown bear
genetically anomalous grouping was the ABC Islands bear, which bears genetic introgression from the polar bear. A formal taxonomic revision was not performed,
Grizzly_bear
Species of fish
of mitochondrial DNA diversity and Rainbow Trout hybridization and introgression. Final Report. IDFG Report Number 07-36. Idaho Department of Fish and
Rocky Mountain cutthroat trout
Rocky_Mountain_cutthroat_trout
Small citrus fruit
mandarins. Still, they did appear to have small amounts (~1.8%) of introgression from the ichang papeda, which grows wild in the same region. The Nanling
Mandarin_orange
Group of mostly pollinating insects whose larvae live in figs
fig wasp species like Pegoscapus as they result in hybridization and introgression. Conservation efforts aim to control the populations often times targeting
Fig_wasp
Population of hybrids beyond first hybrid generation
hybrid swarm. Hybrid swarms can lead to introgressive hybridization, or introgression, in which there is gene flow from the hybrid gene pool to the parental
Hybrid_swarm
Species of fish
populations now face extinction due to man-made activities and genetic introgression due to interbreeding with escaped aquaculture hybrids. In Thailand both
Broadhead_catfish
Old Stone Age ''Homo sapiens''
has been revised in the 2010s with the discovery of admixture events (introgression) of populations of H. sapiens with populations of archaic humans over
Early_modern_human
Species of flowering plant
; Williamson, M. L.; Verry, I. M. (2008-01-01). "Hybridization and Introgression between Two Diploid Wild Relatives of White Clover, Trifolium nigrescens
Trifolium_repens
Species of bivalve
peculiar population of Mytilus trossulus, which shows some genetic introgression from M. edulis and whose mitochondrial DNA has been replaced by M. edulis
Mytilus_trossulus
Species of bird
Kevin P; Huff, Chad D; Yandell, Mark; Shapiro, Michael D (2018-07-17). "Introgression of regulatory alleles and a missense coding mutation drive plumage pattern
Speckled_pigeon
North American wild canine hybrid
areas where a high deer density exists, supporting the theory that introgression from wolves allowed genetic adaption to this food source. There are
Eastern_coyote
list of plants that can hybridize under the same genus (Interspecific introgression, allopolyploid origin, and interspecific hybrid origin) can be found
List_of_genetic_hybrids
Species of mammal
"Interspecific Hybridization in Pilot Whales and Asymmetric Genetic Introgression in Northern Globicephala melas under the Scenario of Global Warming"
Short-finned_pilot_whale
Genus of trees in the family Fagaceae
product of past, repeated reticulate evolutionary processes (outbreeding, introgression, hybridization). As far as studied, heterozygosity and intragenomic
Beech
Species of bird
the American robin ( Turdus migratorius ) reveals hidden lineages and introgression". Journal of Systematics and Evolution. doi:10.1111/jse.70078. ISSN 1674-4918
American_robin
Preserve in central Kansas
Kansas. It is a public bison herd that has little evidence of cattle introgression. Bison were reintroduced to the Tallgrass Prairie National Preserve
Tallgrass_Prairie_bison_herd
Species of fruit and plant
to the Chinese Sun Chu Sha mandarin but has small amounts of pomelo introgression that was passed on to the shiikwaasa. The mainland parent reproduces
Citrus_depressa
Genus of turtles
Turtles (Geoemydidae: Malayemys) Reveals a New Species and Mitochondrial Introgression". PLOS ONE. 11 (4) e0153108. Bibcode:2016PLoSO..1153108I. doi:10.1371/journal
Malayemys
Genus of canines
its lineage had been distinct since the Miocene with no evidence of introgression with Canis. The study hypothesized that the Neogene canids in the New
Canis
Group of closely related similar organisms
Arion vulgaris (Gastropoda: Arionidae): microsatellites reveal little introgression from Arion ater and limited gene flow between infraspecific races in
Species_complex
Species of bird
Rheindt, F.E.; Fujita, M.K.; Wilton, P.R.; Edwards, S.V. (2014). "Introgression and phenotypic assimilation in Zimmerius flycatchers (Tyrannidae): Population
Peruvian_tyrannulet
Species of flowering plant
collectively as T. erectum (sensu lato). Others acknowledge the existence of introgression and hybrid swarm formation between some or all complex members, but
Trillium_erectum
American paleoanthropologist
recent developments on this topic at his blog. Hawks has predicted introgression including the Neanderthal admixture hypothesis which gained further
John_D._Hawks
Species of fish
mykiss) hybridize with them, damaging the native gene pool through introgression. Populations have been in steady decline for decades. In 1978, the Golden
Golden_trout
Termination of a species' lineage
are subjected to genetic pollution—i.e., uncontrolled hybridization, introgression and genetic swamping that lead to homogenization or out-competition
Extinction
Species of bird
In addition, as the provenance of specimens is not noted, genetic introgression due to hybridzation cannot be excluded, as the species' ranges touch
Sanford's_sea_eagle
Research institute of the University of the Philippines Los Baños
Leaf Curl Virus (ToLCV) to produce commercial tomato varieties. After introgression lines and appropriate controls were supplied by IPB partners, these
University of the Philippines Los Baños Institute of Plant Breeding
University_of_the_Philippines_Los_Baños_Institute_of_Plant_Breeding
genetic variation can be caused by incomplete lineage sorting (ILS) and introgression after secondary contact. These two factors can cause genetic variation
Mallard_complex
Type of animal mating behaviour
C. (2012). "Kin selection may contribute to lek evolution and trait introgression across an avian hybrid zone". Molecular Ecology. 21 (6): 1477–1486.
Lek_mating
Project having the goal of breeding back the extinct cattle species of aurochs
Domestic cattle originated in the middle east, and there also has been introgression of European aurochs into domestic cattle in ancient times. The Uruz
Uruz_Project
Species of apricot
populations from northern Central Asia, and the kernel-using varieties have introgression from P. sibirica. The cultivated apricot diffused westward by two main
Prunus_armeniaca
Trout native to Mexico
event by steelhead from California or further north, or could be due to introgression by or naturalization of imported hatchery rainbow trout. We also found
Mexican_native_trout
One of the two categories of Indigenous Australians
"Approximate Bayesian computation with deep learning supports a third archaic introgression in Asia and Oceania". Nature Communications. 10 (1): 246. Bibcode:2019NatCo
Aboriginal_Australians
(January 2023). "Pollinator and host sharing lead to hybridization and introgression in Panamanian free-standing figs, but not in their pollinator wasps"
Reproductive coevolution in Ficus
Reproductive_coevolution_in_Ficus
Genus of brush-footed butterflies
studies have found ancient introgressions between H. erato and H. melpomene that have suggested greater amounts of introgression than previously believed
Heliconius
Species of grass
(August 2005). "Extensive de Novo Genomic Variation in Rice Induced by Introgression From Wild Rice (Zizania latifolia Griseb.)". Genetics. 170 (4): 1945–1956
Zizania_latifolia
Subspecies of mammal
mouse. Genome analysis shows that JF1 emerged as a reproductive fusion (introgression) of M. m. molossinus into European house mouse (M. m. domesticus). It
Japanese_house_mouse
Dutch biotechnology company
Hein; Vossen, Jack; Lindhout, Pim; van Heusden, Sjaak (February 2020). "Introgression of Genes for Resistance against Phytophthora infestans in Diploid Potato"
Solynta
Subspecies of canine
analyses that includes a gray wolf ecotype, a gray wolf with genetic introgression from the coyote, a gray wolf/coyote hybrid, a gray wolf/red wolf hybrid
Eastern_wolf
Small domesticated bird
such as checkered wing patterns and red/brown colour, may be due to introgression by cross-breeding with the speckled pigeon C. guinea. However, there
Domestic_pigeon
Subspecies of honey bee
Jordan, showed that the bees were all A. m. syriaca, with no detectable introgression from European subspecies, even from hives in which A. m. syriaca and
Apis_mellifera_syriaca
Species of mammal
polyphyly in the goitered gazelle (Gazella subgutturosa) although gene introgression is observed in the contact zone between the two species" (PDF). Conservation
Goitered_gazelle
Transfer of genetic variation from one population to another
positive selection to the gene pool of a species or population (adaptive introgression. ) There are a number of factors that affect the rate of gene flow between
Gene_flow
Colonisation of the European continent
re-peopled Europe after the Last Glacial Maximum. EEF represents the introgression of Near Eastern populations during the Neolithic Revolution, and ANE
Hominid_dispersals_in_Europe
Genus of palm-like monocot trees and shrubs
was heavily shaped by reticulate evolution and transoceanic adaptive introgression across the Indian Ocean. Nuclear data identified a key lineage, designated
Pandanus
American ecologist and professor
Rhymer J.M. & Simberloff D. 1996. Extinction by hybridization and introgression. Annu. Rev. Ecol. Syst. 27: 83-109. Simberloff D. 1996. Impacts of introduced
Daniel_Simberloff
Ran; Ruhl, Stefan; Gokcumen, Omer (October 2017). "Archaic Hominin Introgression in Africa Contributes to Functional Salivary MUC7 Genetic Variation"
Timeline_of_human_evolution
Czech and Slovak breed of dog
from those of the parental populations. The results indicate limited introgression of lupine alleles (genetic expressions) within a higher proportion of
Czechoslovakian_Wolfdog
Species of bird
Stuckas, Heiko; Päckert, Martin (December 2021). "Asymmetric allelic introgression across a hybrid zone of the coal tit ( Periparus ater ) in the central
Coal_tit
Crossing of a hybrid with one of its parents or a genetically similar individual
phenotypical or through a molecular marker (for the production of an introgression line). Backcrossing may be deliberately employed in animals to transfer
Backcrossing
Species of flowering plant
Huylenbroeck, J.; Eeckhaut, T.; Leus, L.; Van Laere, K.; Dhooghe, E. (2019). "Introgression of wild germplasm into cultivated ornamental plants". Acta Horticulturae
Begonia_acutifolia
Domesticated omnivorous even-toed ungulate
origin of the domestic pig: independent domestication and subsequent introgression". Genetics. 154 (4): 1785–1791. doi:10.1093/genetics/154.4.1785. PMC 1461048
Pig
Cereal grass and grain
oats with grasses in other genera, allowing plant breeders the ready introgression of traits. In contrast to wheat, oats sometimes retain chromosomes from
Oat
Species of reptile
porcatus has been introduced. A 2022 study found there to be asymmetric introgression of certain A. porcatus alleles within the population of hybrid individuals
Anolis_carolinensis
Model in statistical genetics
isolation after species divergence, with no migration, hybridization, or introgression is also assumed. Additionally, we assume no recombination so that all
Multispecies coalescent process
Multispecies_coalescent_process
Species of pitcher plant from Southeast Asia
Scharmann, Mathias; Wistuba, Andreas; Widmer, Alex (October 2021). "Introgression is widespread in the radiation of carnivorous Nepenthes pitcher plants"
Nepenthes_gracilis
Species of beetle
Huang, J. (2016). "Parapatric genetic introgression and phenotypic assimilation: testing conditions for introgression between Hercules beetles (Dynastes
Hercules_beetle
Topics referred to by the same term
constructed language Interleukin, a family of cytokines, in biochemistry Introgression line, in plant genetics Infralimbic prefrontal cortex nucleus Ionic
IL
Species of fish
and D. auripinnis; genomic analysis shows that they are a result of introgression of D. auripinnis into D. trimaculatus through repeated backcrossing
Threespot_dascyllus
Canid native to the southeastern United States
to reduce the threats are presently [when?] being explored. By 1999, introgression of coyote genes was recognized as the single greatest threat to wild
Red_wolf
DNA testing for endangerment assessment
speciational processes and species differences, hybridization and introgression, phylogenetics at many temporal scales. However, all these approaches
Genome sequencing of endangered species
Genome_sequencing_of_endangered_species
Subspecies of tortoise
event beginning around 199,000 years ago, and had been formed through introgression, where greater male selectivity was exhibited by purebred females in
Volcán_Wolf_giant_tortoise
Tree or shrub in the genus Quercus
produced large populations of hybrids with much introgression and the evolution of new species. Introgression has caused different species in the same populations
Oak
INTROGRESSION
INTROGRESSION
INTROGRESSION
INTROGRESSION
Male
Arthurian
, (the first); father of sir Cai.
Boy/Male
Tamil
Armlet
Girl/Female
Indian, Sanskrit
Speech; The Spoken Word
Girl/Female
Indian
Intelligent
Biblical
master of the palm-tree
Male
Greek
(ΣτÎφανος) Greek name derived from the word stephanos, STEPHANOS means "crown." In the bible, this is the name of one of the seven deacons of the church at Jerusalem who was stoned to death by the Jews.Â
Girl/Female
American, Australian, French, Spanish
Rosary; Beautiful
Boy/Male
Hindu
God
Boy/Male
Spanish
Strict; restrained.
Girl/Female
American, Australian, British, Chinese, English, French, Scottish
Crooked Nose; Bent Nose; Clan
INTROGRESSION
INTROGRESSION
INTROGRESSION
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INTROGRESSION
n.
The act of going in; entrance.