Results 21 to 30 of about 15,054 (266)

Habitat matters – Strong genetic and epigenetic differentiation in Linum catharticum from dry and wet grasslands

open access: yesEcology and Evolution, 2020
Plant species differ in their ecological amplitude, with some species occurring in very different habitats under strongly differentiated environmental conditions.
Ellen Pagel   +2 more
doaj   +1 more source

Ecotypes or phenotypic plasticity—The aquatic and terrestrial forms of Helosciadium repens (Apiaceae)

open access: yesEcology and Evolution, 2019
Morphological and ecological differences of two forms of Helosciadium repens are known and described in the literature: aquatic and terrestrial. However, their taxonomic status is currently unknown.
Tobias Herden, Nikolai Friesen
doaj   +1 more source

Genetic Resistance of Switchgrass to Rust Evaluated in a Composite Upland × Lowland Population in Lab and Field Settings

open access: yesAgronomy, 2022
Maintaining low levels of rust incidence (caused by Puccinia novopanici) in switchgrass (Panicum virgatum L.) breeding populations is a priority for the USDA-ARS program engaged in improving cultivars for high biomass yield and quality. Essential to this
Serge J. Edmé   +5 more
doaj   +1 more source

Calcium Oxalate Crystals in Leaves of the Extremophile Plant Colobanthus quitensis (Kunth) Bartl. (Caryophyllaceae)

open access: yesPlants, 2021
The presence of calcium oxalate (CaOx) crystals has been widely reported in the plant kingdom. These structures play a central role in various physiological functions, including calcium regulation, metal detoxification, and photosynthesis.
Olman Gómez-Espinoza   +5 more
doaj   +1 more source

The Environment and Cyanophage Diversity: Insights From Environmental Sequencing of DNA Polymerase

open access: yesFrontiers in Microbiology, 2019
Globally distributed and abundant cyanophages in the family Myoviridae have dsDNA genomes with variable gene content, including host-derived auxiliary metabolic genes (AMGs) that potentially can facilitate viral replication.
Jan F. Finke   +4 more
doaj   +1 more source

A Risky Business? Habitat and Social Behavior Impact Skin and Gut Microbiomes in Caribbean Cleaning Gobies

open access: yesFrontiers in Microbiology, 2019
The broadstripe cleaning goby Elacatinus prochilos has two alternative ecotypes: sponge-dwellers, which live in large groups and feed mainly upon nematode parasites; and coral-dwellers, that live in small groups or in solitude and behave as cleaners ...
Raquel Xavier   +7 more
doaj   +1 more source

A Conserved DT2‐bZIP66‐NF‐YC4 Regulatory Module Confers Drought Tolerance in Rice and Arabidopsis

open access: yesAdvanced Science, EarlyView.
This study identifies a conserved tripartiteDT2–bZIP66–NF‐YC4 transcriptional module that enhances rice drought tolerance by activating stress‐responsive genes. This regulatory complex is functionally conserved across cereals and Arabidopsis, providing promising targets for engineering drought‐resilient crops. ABSTRACT Drought stress severely restricts
Jun Shen   +18 more
wiley   +1 more source

Morphological variation between two fish populations – phenotypic radiation in a rare case of geographical isolation [PDF]

open access: yesActa Limnologica Brasiliensia
Aim We examined the morphology of two populations of the Neotropical Characidae Psalidodon aff. fasciatus from two distinct environments with different selective pressures.
Fernanda Biscaino Saluceste   +7 more
doaj   +1 more source

Natural Variation of COLD and CATECHINS REGULATOR 1 Coordinately Fine‐Tunes Cold Tolerance and Tea Quality in Tea Plants

open access: yesAdvanced Science, EarlyView.
Multi‐trait genome‐wide association mapping identifies a central hub regulator, COLD AND CATECHINS REGULATOR 1 (CCR1), and its excellent natural allele variation, coordinately enhancing cold tolerance and promoting catechins biosyntheis. CsCCR1 interacts with CsCBF1/3 and is transcriptionally activated by CsLUX and CsKUA1 to promote catechins ...
Yanli Wang   +10 more
wiley   +1 more source

Winter records of killer whales (Orcinus orca) in the waters of the Wilhelm archipelago, West Antarctica

open access: yesTheriologia Ukrainica, 2022
Killer whales (KWs) are apex marine predators. In Antarctica, they have diverse trophic interactions and belong to five ecotypes that have differences in morphology, ecology, and acoustic repertoire.
Оksana Savenko
doaj   +1 more source

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