Results 61 to 70 of about 770 (150)

Evolution of the C4 phosphoenolpyruvate carboxylase promoter of the C4 species Flaveria trinervia: the role of the proximal promoter region

open access: yesBMC Plant Biology, 2008
Background The key enzymes of photosynthetic carbon assimilation in C4 plants have evolved independently several times from C3 isoforms that were present in the C3 ancestral species.
Streubel Monika   +5 more
doaj   +1 more source

Environmental factors have a greater influence on photosynthetic capacity in C4 plants than biochemical subtypes or growth forms

open access: yesNew Phytologist, Volume 248, Issue 3, Page 1205-1224, November 2025.
Summary Our understanding of how photosynthetic capacity varies among C4 species and across growth and measurement conditions remains limited. We collated 1696 CO2 response curves of net CO2 assimilation rate (A/Ci curves) from C4 species grown and measured at various environmental conditions and used these data to estimate the apparent maximum ...
Yuzhen Fan   +29 more
wiley   +1 more source

Genomic and Cis‐Regulatory Basis of a Plastic C3‐C4 Photosynthesis in Eleocharis Baldwinii

open access: yesAdvanced Science, Volume 12, Issue 32, August 28, 2025.
The sedge Eleocharis baldwinii remarkably switches between C3‐like and C4‐like photosynthesis in response to environmental conditions. Combining gap‐free genome assembly with single‐cell multi‐omics, this study uncovers how subgenome dominance and cell‐specific cis‐regulation enable C4 photosynthesis.
Lu Chen   +11 more
wiley   +1 more source

A guide to understanding and measuring photosynthetic induction: considerations and recommendations

open access: yesNew Phytologist, Volume 247, Issue 2, Page 450-469, July 2025.
Summary Photosynthetic induction is the leaf‐level process by which a plant assimilates CO2 from the atmosphere once exposed to a change in light intensity after a period of darkness or shade. In the field, photosynthetic induction can take place hundreds of times in a single day in response to rapid fluctuations in the light environment due to cloud ...
Liana G. Acevedo‐Siaca   +1 more
wiley   +1 more source

Leaf Epiphytic Bacteria of Plants Colonizing Mine Residues: Possible Exploitation for Remediation of Air Pollutants

open access: yesFrontiers in Microbiology, 2018
Plant surfaces are known as an important sink for various air pollutants, including particulate matter and its associated potentially toxic elements (PTE).
Ariadna S. Sánchez-López   +4 more
doaj   +1 more source

Guard cell‐specific glycine decarboxylase manipulation affects Arabidopsis photosynthesis, growth and stomatal behavior

open access: yesNew Phytologist, Volume 246, Issue 5, Page 2102-2117, June 2025.
Summary Photorespiration is a mandatory metabolic repair shunt of carbon fixation by the Calvin–Benson cycle in oxygenic phototrophs. Its extent depends mainly on the CO2 : O2 ratio in chloroplasts, which is regulated via stomatal movements. Despite a comprehensive understanding of the role of photorespiration in mesophyll cells, its role in guard ...
Hu Sun   +4 more
wiley   +1 more source

Morfoanatomía foliar para el reconocimiento de especies de Asteraceae conocidas como "contrayerba" en la herboristería argentina

open access: yesDominguezia, 2019
El complejo "Contrayerbas" comprende especies pertenecientes a cuatro familias botánicas: Aristolochiaceae, Asteraceae, Menispermaceaae y Moraceae. Dentro de la familia Asteraceae se conocen como "contrayerba" unas 12 especies, utilizadas en medicina ...
Victoria Alejandra Diaz Avalos   +4 more
doaj   +2 more sources

The role of strigolactone structural diversity in the host specificity and control of Striga, a major constraint to sub‐Saharan agriculture

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 2, Page 318-330, March 2025.
The parasitic weed Striga affects crops such as sorghum, maize, millet, and rice in over 40 countries on the African continent and negatively impacts the livelihood of over 300 million small‐holder farmers. Striga seeds can remain dormant in the soil for many years until they are triggered to germinate by germination stimulants, called strigolactones ...
Mahdere Z. Shimels   +5 more
wiley   +1 more source

Identification and Biosynthesis of Glucosylated and Sulfated Flavonols in Flaveria bidentis

open access: yesZeitschrift für Naturforschung C, 1986
1.The flavonoid constituents of Flaveria bidentis have been identified as the 3-O-glucosides of kaempferol. 6-methoxykaempferol and 6-methoxyquercetin (patuletin), as well as six flavonol sulfate esters belonging to quercetin and isorhamnetin. The two latter glucosides are reported here for the first time in this species; whereas quercetin-3,7 ...
Luc Varin, Denis Barron, Ragai Ibrahim
openaire   +1 more source

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