Results 81 to 90 of about 17,602,067 (294)

Study on the reproduction of Colquhounia coccinea

open access: yesXibei zhiwu xuebao
[Objective] The torch flower (Colquhounia coccinea) exhibits a typical avian syndrome, and thus has the potential to be developed as a bird-attracting landscape plant. [Methods] With the C. coccinea populations in natural and artificial habitats as the
HUANG Meiying   +5 more
doaj   +1 more source

Population genetic structure and mating system in the hybrid zone between Pinus sibirica Du Tour and P. pumila (Pall.) Regel at the Eastern Baikal Lake shore [PDF]

open access: yesAnnals of Forest Research, 2008
Genetic structure of sympatric Pinus sibirica Du Tour and P. pumila(Pall.) Regel populations and putative interspecific hybrids between them was analyzed in the Baikal Lake region (Barguzin Biosphere Natural Reserve, Davsha River basin) by means of 31 ...
E.A. Petrova   +3 more
doaj  

Artificial molecular machines and motors—Design and control of nanoscale motion

open access: yesFEBS Letters, EarlyView.
Molecules are constantly moving because of thermal fluctuations, but random motion alone cannot be exploited to perform directional tasks. Artificial molecular machines use chemical, electrical, or light energy to bias this motion. Molecular shuttles, rotary motors, and supramolecular pumps illustrate how nanoscale movement can be controlled and ...
Leonardo Andreoni, Alberto Credi
wiley   +1 more source

Hard Mating Aggregation as Evidence of Polyandry in the Red‐Tailed Boa, Boa constrictor (Squamata: Boidae), in a Brazilian Caatinga Population

open access: yesEcology and Evolution
This study reports a reproductive aggregation of a female Boa constrictor with five males in the Brazilian Caatinga. The observation reinforces the evidence of a polyandrous system, favoring larger females that copulate with different males.
Selma Maria deAlmeida‐Santos   +1 more
doaj   +1 more source

The heterodimeric amino acid transporters (HAT) of the SLC7/SLC3 family: A structure−function relationships and relevance to human pathology

open access: yesFEBS Letters, EarlyView.
Heterodimeric amino acid transporters consist of SLC7 and SLC3 family proteins arranged in a conserved structural organization. They regulate nutrient transport across cell membranes, supporting essential cellular functions. These transporters also contribute to xenobiotic/drug uptake and distribution.
Mariafrancesca Scalise   +5 more
wiley   +1 more source

The coordination of cell growth during fission yeast mating requires Ras1-GTP hydrolysis [PDF]

open access: yes, 2013
The spatial and temporal control of polarity is fundamental to the survival of all organisms. Cells define their polarity using highly conserved mechanisms that frequently rely upon the action of small GTPases, such as Ras and Cdc42.
Ladds, Graham   +15 more
core   +2 more sources

Lysyl oxidase (LOX)‐mediated remodeling of the extracellular matrix

open access: yesFEBS Letters, EarlyView.
The lysyl oxidase (LOX) family of enzymes drives extracellular matrix remodeling by oxidizing collagen, elastin, and fibronectin, promoting covalent cross‐link formation. This activity regulates tissue architecture and mechanical properties, while its dysregulation contributes to fibrosis, cardiovascular disease, glaucoma, connective tissue disorders ...
Fernando Rodríguez‐Pascual   +3 more
wiley   +1 more source

Mating

open access: yes, 2016
Data from mating experiments, formatted for jMating ...
Molly S. Hunter (3197472)   +9 more
core   +1 more source

An effective rotational mating scheme for inbreeding reduction in captive populations illustrated by the rare sheep breed [PDF]

open access: yes, 2008
Within breeds and other captive populations, the risk of high inbreeding rates and loss of diversity can be high within (small) herds or subpopulations.
Lansbergen, L.M.T.E., Windig, J.J.
core   +1 more source

Membrane composition and thermodynamic identity as boundaries of life for synthetic cell research

open access: yesFEBS Letters, EarlyView.
What makes a cell a cell? The boundary of a living cell is not just a wall. Read as a Markov blanket, the membrane separates internal from external states, generating identity and non‐equilibrium order. Can this identity be rebuilt from scratch in a synthetic cell?
Caterina Presutti, Bert Poolman
wiley   +1 more source

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