How a motor keeps its track from wandering
Research, The Plant Cell, The Plant Cell: In a NutshellGanguly et al. establish that a transporter protein helps stabilize cell wall deposition sites.
Plant Cell https://doi.org/10.1105/tpc.19.00700
By Anindya Gangulya and Ram Dixit
Department of Biology and Center for Engineering Mechanobiology, Washington University in St. Louis, MO 63130, USA
a…
It takes two to tango: two GNOMs have to activate ARF1 together
Research, The Plant Cell, The Plant Cell: In a NutshellBrumm et al. investigate how the protein GNOM activates dimers of the small GTPase ARF1 and inserts them very close to each other during vesicle formation. The Plant Cell (2020) https://doi.org/10.1105/tpc.20.00240
By Sabine Brumm 1,2 and Gerd Jürgens 1, ZMBP, University of Tübingen (1), Sainsbury…
How Do Plants Adapt to Dark and Bright Light Conditions?
Research, The Plant Cell, The Plant Cell: In a NutshellKimura et al. illuminate a molecular mechanism to allow germinating seedlings of Arabidopsis thaliana to adapt to dark and bright light conditions during hypocotyl phototropism. Plant Cell https://doi.org/10.1105/tpc.19.00926
By Taro Kimura and Tatsuya Sakai; Graduate School of Science and Technology,…
Calcium signaling in senescence
Research, The Plant Cell, The Plant Cell: In a NutshellDurian et al. searched for phosphorylation substrates of Arabidopsis CALCIUM DEPENDENT PROTEIN KINASE1 and found that it phosphorylates ORE1, a master regulator of senescence, demonstrating a link between calcium signaling and cell death. Plant Cell https://doi.org/10.1105/tpc.19.00810
By Guido…
Cold-responsive Regulatory DNA Landscapes and Regulatory Networks in Grasses
Research, The Plant Cell, The Plant Cell: In a NutshellHan et al. uncover regulatory DNA landscapes in root, stem, and leaf tissues of multiple grasses. Plant Cell https://doi.org/10.1105/tpc.19.00716
By Kai Wang and Jinlei Han
Fujian Agriculture and Forestry University
Background: Low temperature is a major environmental stress that affects…
Glutelin mRNAs are transported on endosomes
Research, The Plant Cell, The Plant Cell: In a NutshellTian et al. identify the factors mediating localization of specific mRNAs in developing rice endosperm cells. Plant Cell https://doi.org/10.1105/tpc.20.00111
by Li Tian and Thomas W. Okita
Background: Localization of mRNAs is a universal mechanism to efficiently drive protein targeting in eukaryotes…
Secret Talents: STARCH SYNTHASE 5—Not an Enzyme, but Very Active!
Research, The Plant Cell, The Plant Cell: In a NutshellAbt et al. found that Arabidopsis SS5, a protein homologous to typical starch-synthesizing enzymes, is itself enzymatically inactive, but rather has an important role in the starch granule initiation process. Plant Cell https://doi.org/10.1105/tpc.19.00946
By Melanie R. Abt and Samuel C. Zeeman, Institute…
Lipid kinases in signaling and metabolism
Research, The Plant Cell, The Plant Cell: In a NutshellAngkawijaya et al. investigate diacylglycerol kinase function in Arabidopsis phospholipid signaling and metabolism. The Plant Cell (2020) https://doi.org/10.1105/tpc.20.00251
By Artik Elisa Angkawijaya, Van C. Nguyen, Farrel Gunawan, and Yuki Nakamura, Institute of Plant and Microbial Biology, Academia…
An optimized high-throughput assay for the identification of enhancers in plant genomes
Research, The Plant Cell, The Plant Cell: In a NutshellJores et al. adapt STARR-seq for identifying enhancers in tobacco leaves.
Plant Cell https://doi.org/10.1105/tpc.20.00155
By Tobias Joresa, Jackson Tonniesa,b, Michael W Dorritya, Josh T Cuperusa, Stanley Fieldsa,c and Christine Queitscha
a Department of Genome Sciences, University of Washington,…