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Hidden protein switch controls photosynthesis as light conditions change

Hidden protein switch controls photosynthesis as light conditions change Andrew Zinin Lead Editor Scientists have discovered a previously unknown regulatory mechanism in plant photosynthesis in the unicellular green alga Chlamydomonas reinhardtii. It helps plants adapt to changes in light conditions. The results, published in the journal Nature Plants, show how a crucial protein interaction at the interface between photosystems I and II controls the photosynthetic machinery.

Phys.org 3d ago

'All-in-one' platform developed for multiple trait stacking in crops

'All-in-one' platform developed for multiple trait stacking in crops Gaby Clark Scientific Editor Alexander Pol Deputy Editor A major goal of modern crop breeding is to efficiently combine multiple desirable traits by "stacking" the favorable gene variants (alleles) that contribute to those traits in a single crop variety. However, current strategies are often time-consuming and inefficient. Now, a team led by Gao Caixia at the Institute of Genetics and Developmental Biology of the Chinese...

Phys.org 2d ago

Species of Brazilian moths described in honor of Orixás, foundational deities of Afro-Brazilian religions

Species of Brazilian moths described in honor of Orixás, foundational deities of Afro-Brazilian religions Stephanie Baum Scientific Editor Robert Egan Associate Editor A species of moth that was first described in 1818 was believed to be a single species. However, it has since been discovered that it is actually a complex of species, eight of which are found in Brazil. These findings are the result of a study that integrated molecular techniques, morphological data, and the identification of...

Phys.org 6d ago

Lignin to adipic acid in a high-yield chemical and biological redox process

Abstract Viable manufacturing pathways to produce bio-based chemicals from renewable feedstocks, such as lignin derived from plant biomass, are needed to decarbonize the chemicals manufacturing sector. Converting the recalcitrant lignin polymer to valuable bioproducts remains a longstanding challenge in biorefining, with the highest reported single-product yield from lignin currently around 20 wt% (refs. Most existing lignin depolymerization strategies target aryl–ether bond cleavage, which...

Nature 17h ago

Whole-genome duplication shaped cell-type evolution in the vertebrate brain

Abstract The complex brains of vertebrates have more cell types than those of their closest relatives. Whole-genome duplications (WGDs) occurred during early vertebrate evolution1, but it is unclear whether the duplicated genes (ohnologues) facilitated cell-type evolution. Here using brain single-cell transcriptomes from five chordates—human2, mouse3, lizard4, lamprey5 and amphioxus—we report that many cell-type families with conserved core transcription factors in vertebrates do not show...

Nature 17h ago

Making climate-neutral plastics and cosmetics using bacteria

Making climate-neutral plastics and cosmetics using bacteria Sadie Harley Scientific Editor Andrew Zinin Lead Editor Plastics, medicines, cosmetics—there are very few everyday products that do not rely on using fossil resources. A European research team led by Charité—Universitätsmedizin Berlin is now aiming to revolutionize this cornerstone of the chemical industry: as part of the CarboNcare project, scientists are developing bacteria that can produce important chemical base materials from...

Phys.org 8d ago