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An Arabidopsis thaliana mutant with an altered structure of its hemicellulose xyloglucan (XyG; axy-8 ) identified by a forward genetic screen facilitating oligosaccharide mass profiling was characterized. axy8 exhibits increased XyG fucosylation and the occurrence of XyG fragments not present in...
Abscission occurs specifically in the abscission zone (AZ) tissue as a natural stage of plant development. Previously, we observed delay of tomato ( Solanum lycopersicum ) leaf abscission when the LX ribonuclease (LX) was inhibited. The known association between LX expression and programmed cell...
In the late 1960s, a vibrant new research field was ignited by the discovery that instead of fixing CO 2 into a C 3 compound, some plants initially fix CO 2 into a four-carbon (C 4 ) compound. The term C 4 photosynthesis was born. In the 20 years that followed, physiologists, biochemists, and...
Medicago truncatula is a legume species belonging to the inverted repeat lacking clade (IRLC) with trifoliolate compound leaves. However, the regulatory mechanisms underlying development of trifoliolate leaves in legumes remain largely unknown. Here, we report isolation and characterization of...
Import of nuclear-encoded precursor proteins from the cytosol is an essential step in chloroplast biogenesis that is mediated by protein translocon complexes at the inner and outer envelope membrane (TOC). Toc159 is thought to be the main receptor for photosynthetic proteins, but lacking a...
Detailed phenotypic characterization reveals that several BAK1 fusion proteins with C-terminal tags strongly impair complementation of bak1 null mutants with respect to responsiveness to the bacterial pathogen-associated molecular patterns flagellin and EF-Tu. This raises concerns about the...
To establish three-dimensional structures/organs, plant cells continuously have to adapt the orientation of their division plane in a highly regulated manner. However, mechanisms underlying switches in division plane orientation remain elusive. Here, we characterize a viable double knockdown...
The interactions between phytohormones are crucial for plants to adapt to complex environmental changes. One example is the ethylene-regulated local auxin biosynthesis in roots, which partly contributes to ethylene-directed root development and gravitropism. Using a chemical biology approach, we...
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