Correspondence |
Featured
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News & Views |
A chromatin thermostat
When environmental temperatures rise, plants seek help from their core molecular mechanisms to adapt. The chromatin protein H2A.Z, which regulates gene expression, is one such rescue molecule.
- Roger B. Deal
- & Steven Henikoff
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Letter |
Differential innate immune signalling via Ca2+ sensor protein kinases
Plants and animals sense intruding pathogens by using proteins that recognize diverse microbe-associated molecular patterns (MAMPs) and initiate innate immune responses. Early signalling responses in the host include calcium influx, an oxidative burst and transcriptional reprogramming. Here, four calcium-dependent protein kinases are described that function as calcium sensors, act as convergence points for various MAMPs, and are crucial for transcriptional reprogramming and oxidative burst in plants.
- Marie Boudsocq
- , Matthew R. Willmann
- & Jen Sheen
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News |
Trees spit out gas from soil microbes
Trunks act as giant methane chimneys.
- Amanda Mascarelli
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Research Highlights |
Climate change: Warming boosts invasions
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News |
India's transgenic aubergine in a stew
Environment ministry rejects bid to grow genetically modified crop.
- K. S. Jayaraman
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Letter |
Coherently wired light-harvesting in photosynthetic marine algae at ambient temperature
- Elisabetta Collini
- , Cathy Y. Wong
- & Gregory D. Scholes
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Research Highlights |
Evolution: Flower power
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News & Views |
Quantum design for a light trap
The photosynthetic apparatus of cryptophyte algae is odd — its pigments are farther apart than is expected for efficient functioning. A study into how this apparatus works so well finds quantum effects at play.
- Rienk van Grondelle
- & Vladimir I. Novoderezhkin
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Article |
Coupled chaperone action in folding and assembly of hexadecameric Rubisco
Form I Rubisco, one of the most abundant proteins in nature, catalyses the fixation of atmospheric CO2 in photosynthesis. The limited catalytic efficiency of Rubisco has sparked extensive efforts to re-engineer the enzyme to enhance agricultural productivity. To bring this goal closer, the formation of cyanobacterial form I Rubisco is now analysed by in vitro reconstitution and cryo-electron microscopy.
- Cuimin Liu
- , Anna L. Young
- & Manajit Hayer-Hartl
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Research Highlights |
Molecular biology: Flowering time unravelled
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News & Views |
Tackling unintelligent design
The key enzyme in photosynthesis, Rubisco, is a relic of a bygone age. The ability to assemble Rubisco in the test tube offers the prospect of genetically manipulating the enzyme to make it fit for the modern world.
- R. John Ellis
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