Results 141 to 150 of about 37,140 (299)

Heat‐evolved coral photosymbionts exhibit dampened stress responses across distinct physiological contexts

open access: yesNew Phytologist, EarlyView.
Summary Experimental evolution under elevated temperatures has generated heat‐evolved (HE) strains of Symbiodiniaceae that enhance coral bleaching tolerance. However, the biomolecular mechanisms underlying this resilience remain poorly understood. We conducted a laboratory heat‐stress experiment and applied synchrotron‐based Fourier transform infrared (
Bede G. Johnston   +5 more
wiley   +1 more source

Climate change and crop resilience: harnessing metabolomics for predicting stress tolerance

open access: yesNew Phytologist, EarlyView.
Summarised methodology for metabolite biomarker discovery and genomic targets selection for those metabolites to predict high‐throughput phenotypic and agronomic traits of interest for direct uptake in breeding programmes. Summary Global warming is driving climate change to levels not experienced since the advent of agriculture, primarily due to ...
Agyeya Pratap   +3 more
wiley   +1 more source

Rapid dehydration drives a nondiffusional drop in C3 photosynthesis that aligns with phosphate limitation

open access: yesNew Phytologist, EarlyView.
Schematic representation of the causal sequence through which rapid water loss imposes diffusive and nondiffusive restrictions on carbon assimilation. Summary Drought is an abnormally prolonged water deficit posing major challenges to plants. Stomatal closure has long been considered the primary factor limiting photosynthesis during the early stages of
Chandra Bellasio   +4 more
wiley   +1 more source

Photovoltaic Activity of Photosystem I-Based Self-Assembled Monolayer

open access: yes, 2016
The photoelectronic nature of a dried photosystem I protein attached to a metal surface is studied using various spectroscopic techniques. The proteins are found to be optically active after the chemical adsorption.
Chanoch Carmeli (2364910)   +3 more
core   +1 more source

Temperate tree species show cross‐tolerance to heat, drought, and late spring‐frost stress

open access: yesNew Phytologist, EarlyView.
Significant cross‐tolerance of leaf traits to heat, drought and late spring‐frost were found. (a) Turgor loss point vs lethal spring‐frost temperature. (b) Heat thermal threshold temperature vs lethal spring‐frost temperature. (c) Heat thermal threshold temperature vs turgor loss point.
Norbert Kunert   +5 more
wiley   +1 more source

Organisation of Photosystem I and Photosystem II in red alga Cyanidium caldarium: Encounter of cyanobacterial and higher plant concepts

open access: yes, 2007
Structure and organisation of Photosystem I and Photosystem II isolated from red alga Cyanidium caldarium was determined by electron microscopy and single particle image analysis.
Bumba, Ladislav   +5 more
core   +1 more source

Exploring thylakoid emergence: evolution of membrane biogenesis and photosystem II assembly in early‐diverging cyanobacteria

open access: yesNew Phytologist, EarlyView.
Overview of the results. Phylogenetic analyses of 36 assembly factors of photosystem II (PSII) and 13 proteins involved in membrane dynamics summarized in Siebenaller & Schneider (2023) were performed to investigate the taxonomic distributions and structural differences between the thylakoid‐less Gloeobacterales and the Phycobacteria. Summary Thylakoid
Louise Hambücken   +2 more
wiley   +1 more source

Dynamics of photosynthetic complexes in the thylakoid membranes from higher plants

open access: yes, 2011
PhDPhotosynthetic machinery in higher plants is localised in the thylakoids enclosed in a chloroplast. To optimise and regulate the photosynthetic efficiency under different, rapidly changeable environmental conditions the dynamics of the thylakoid
Góral, Tomasz Krzysztof
core  

Environmental influences on the maximum quantum yield of terrestrial primary production

open access: yesNew Phytologist, EarlyView.
Temperature and aridity effects on terrestrial ecosystems' intrinsic quantum yield. Summary Historically, terrestrial biosphere models (TBMs) have assigned the intrinsic (maximum) quantum yield of photosynthesis (ϕ0)$$ {\phi}_0\Big) $$ a constant value for each plant functional type. However, experimental studies have shown that ϕ0$$ {\phi}_0 $$ – when
David Sandoval   +3 more
wiley   +1 more source

Lhca5 interaction with plant photosystem I

open access: yes, 2006
In the outer antenna (LHCI) of higher plant photosystem I (PSI) four abundantly expressed light-harvesting protein of photosystem I (Lhca)-type proteins are organized in two heterodimeric domains (Lhca1/Lhca4 and Lhca2/Lhca3).
Schmid, Volkmar H R   +6 more
core   +1 more source

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