Entries by Linda Palmer

SME1 shapes plant development and freezing tolerance

Huertas et al. show that SME1 modulates spliceosome activity to shape plant development and tolerance to freezing temperatures. Plant Cell https://doi.org/10.1105/tpc.18.00689   By Raúl Huertas, Noble Research Institute, Admore, Oklahoma, USA. Rafael Catalá, Centro de Investigaciones Biológicas-CSIC, Madrid, Spain. Julio Salinas, Centro de Investigaciones Biológicas-CSIC, Madrid, Spain.  Background: Tight regulation of gene expression is essential […]

Impact of Biolistic Transformation on the Genome

Liu et al. show that biolistic transformation can cause extensive damage and rearrangements, including deletions, duplications, chromosome fusions, and copy number variations. Plant Cell https://doi.org/10.1105/tpc.18.00613   By Jianing Liu and R. Kelly Dawe, Department of Genetics, University of Georgia.  Background: Agrobacterium-mediated gene transfer and biolistic transformation are the two most widely used methods for plant […]

How Stress Experience Strengthens a Tree

Georgii et al. uncover transcriptomic memory in poplar trees after recovery from drought-heat stress, which changes with stress frequency and intensity and involves a complex interplay of common and tissue-specific factors. Plant Cell https://doi.org/10.1105/tpc.18.00431    By Elisabeth Georgii and Jörg-Peter Schnitzler Helmholtz Zentrum München, German Research Center for Environmental Health, Germany   Background:  Plants, particularly […]

ABA Balances Plant Growth and Metabolism

Yoshida et al. investigate how the phytohormone ABA balances normal growth and metabolism. https://doi.org/10.1105/tpc.18.00766. By Takuya Yoshida and Alisdair R. Fernie, Max-Planck-Institut für Molekulare Pflanzenphysiologie.   Background: Abscisic acid (ABA) is a plant hormone that is tightly associated with water availability. At the organ level, dry seeds obtain desiccation tolerance via ABA. At the cellular […]

Ferroptotic Cell Death Occurs in Plants

Dangol et al. demonstrate that Magnaporthe oryzae infection induces iron- and reactive oxygen species-dependent ferroptotic cell death in rice. Plant Cell https://doi.org/10.1105/tpc.18.00535 By S. Dangol, Y. Chen, B. K. Hwang, and N. S. Jwa   Background: Cell death is the intracellular program of biological events leading to the termination of cell’s life processes. Plant cell […]

Lipids and Auxin Signaling in Plant Salt Responses

Wang et al. highlight the importance of lipid protein interactions in spatiotemporal regulation of auxin signalling. Plant Cell https://doi.org/10.1105/tpc.18.00528 By Peipei Wang and Qun Zhang Background:  Salt stress inhibits plant growth and development, leading to many physiological reactions. To cope with salt stress, plants have evolved several adaptive mechanisms, including the SOS system, plant hormones, […]

A Transcriptional Module Regulates Embryo and Suspensor Development

Radoeva et al. investigate a transcription module that controls aspects of embryogenesis in plants. Plant Cell https://doi.org/10.1105/tpc.18.00518.   Background: After the start of embryo development in plants, which is marked by fertilization of the egg cell, the resulting zygote divides asymmetrically into a small apical embryonic cell and a larger basal extra-embryonic (suspensor) cell. The […]

How does ABA activate a calcium/calmodulin-dependent kinase in rice?

Ni et al. reveal a pathway for ABA-activated OsDMI3 in rice. Plant Cell https://doi.org/10.1105/tpc.18.00506  By Lan Ni and Mingyi Jiang Background: Abscisic acid (ABA) is a phytohormone that plays important roles both in plant growth and development and in plant responses to environmental stresses. Cytosolic Ca2+, a second messenger involved in ABA signaling, is detected, […]

Regulation of JA-Signaled Transcription: Repression, Activation and Termination

Liu et al. elucidate the mechanism of the termination of JA signaling by a MYC2-MTB feedback loop. Plant Cell https://doi.org/10.1105/tpc.18.00405   By Yuanyuan Liu, Qingzhe Zhai and Chuanyou Li Background: Plants are often surrounded by hostile environment including abiotic and biotic stresses. Jasmonate (JA) is a lipid-derived plant hormone that regulates plant immunity by triggering […]