Results 41 to 50 of about 7,250 (186)

Stridulations reveal cryptic speciation in neotropical sympatric ants. [PDF]

open access: yesPLoS ONE, 2010
The taxonomic challenge posed by cryptic species underlines the importance of using multiple criteria in species delimitation. In the current paper we tested the use of acoustic analysis as a tool to assess the real diversity in a cryptic species complex
Ronara Souza Ferreira   +4 more
doaj   +1 more source

Evidence of sympatric speciation of elderberry carlaviruses [PDF]

open access: yesVirus Research, 2016
Five new carlaviruses infecting elderberry were characterized and tentatively named as elderberry virus A-E (ElVA-ElVE). Their genome organization is similar to that of other carlaviruses with size ranging from 8540 to 8628 nucleotides, excluding the polyadenylated tails.
Thien, Ho   +5 more
openaire   +2 more sources

Peculiarities of microevolution processes in Trollius asiaticus in South Siberia Mountains

open access: yesBIO Web of Conferences, 2020
In the paper, we analyse the distribution of species and forms closely-related to Trollius asiaticus L. growing in the mountains of South Siberia between the Altai Mountain Country and Baikalia. The interrelationship between the endemic species and forms
Buglova Lyubov V., Zhirova Olga S.
doaj   +1 more source

Population genomic analyses support sympatric origins of parapatric morphs in a salamander

open access: yesEcology and Evolution, 2022
In numerous clades, divergent sister species have largely non‐overlapping geographic ranges. This pattern presumably arises because species diverged in allopatry or parapatry, prior to a subsequent contact.
Emily Buckingham   +4 more
doaj   +1 more source

An oligogenic architecture underlying ecological and reproductive divergence in sympatric populations

open access: yeseLife, 2023
The evolutionary trajectories and genetic architectures underlying ecological divergence with gene flow are poorly understood. Sympatric timing types of the intertidal insect Clunio marinus (Diptera) from Roscoff (France) differ in lunar reproductive ...
Dušica Briševac   +2 more
doaj   +1 more source

Chemical diversity and phylogenetic insights into Hawaiian ʻākia (Wikstroemia) species used in traditional fishing practices

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Traditional fishing with plant‐based piscicides is a global practice in decline, facing increasing restrictions. We investigated the chemical diversity of endemic Wikstroemia species historically used to stun or poison fish in Hawaiʻi. Using 1‐H‐NMR, principal component analysis, targeted HPLC, and target‐capture sequencing, we characterized compounds ...
Louise Winther   +10 more
wiley   +1 more source

Reticulate sympatric speciation in Cameroonian crater lake cichlids

open access: yesFrontiers in Zoology, 2004
Background Traditionally the rapid origin of megadiverse species flocks of extremely closely related species is explained by the combinatory action of three factors: Disruptive natural selection, disruptive sexual selection and partial isolation by ...
Schliewen Ulrich K, Klee Barbara
doaj   +1 more source

Multiple barriers maintain species boundaries in sympatric brood‐site deceptive Gastrodia orchids

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Societal Impact Statement Gastrodia orchids are inconspicuous forest plants that lack chlorophyll and obtain carbon from fungi. Their dull‐colored, ground‐level flowers are often hidden among leaf litter, yet they rely on small flies for pollination.
Kenji Suetsugu   +3 more
wiley   +1 more source

Chemical and population genetic analysis show no evidence of ecotype formation in a European population of the parasitoid wasp Nasonia vitripennis

open access: yesFrontiers in Ecology and Evolution, 2023
Ecotypes, subpopulations or strains of a single species locally adapted to divergent ecological conditions within the same habitat are often considered to be the first steps in sympatric speciation.
Jan Buellesbach   +3 more
doaj   +1 more source

Hox Gene Variation Drives Morphological Specialization of Humpback Grouper Cromileptes altivelis

open access: yesIntegrative Zoology, EarlyView.
Cromileptes altivelis exhibits a distinctive “sunken head and humpback” morphology, formed through cranial remodeling. Genetic analyses identified unique amino acid variants in Hoxa7a and Hoxa10b, with functional tests confirming their role in enhancing osteoblast activity and driving cranial remodeling.
Xiaoying Cao   +4 more
wiley   +1 more source

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