Weekly round up of new and interesting papers from across plant sciences. Featured this week: autophagosomes, fungal hitchhikers, WRKY gene networks, edge effects in forests, orphan legumes, coffee genetic diversity and more!
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The Plant Science Today blog is only a few years old and continues to gain readers. In 2016 more than 250 posts were shared, with contributions from many guest authors as well as ASPB staff. Here are the ten most widely read posts this year. Did you catch them all?
With demand outpacing supply, what options are there for vanilla lovers? Which plan do you prefer, vanilla subtitute made by chemical synthesis, or that produced through the tools of synthetic biology to recreate the biosynthetic pathway in vivo?
We’ve highlighted some of the Plant Physiology papers that were widely shared, liked, blogged, retweeted and otherwise garnered high-levels of attention this year. Perhaps you can use some of that holiday-season quiet time to catch up on those you missed.Read more...
Multicellular eukaryotes coevolve with microbial pathogens, which exert strong selective pressure on the immune systems of their hosts. Plants and animals use intracellular proteins of the nucleotide-binding domain, leucine-rich repeat (NLR) superfamily to detect many types of microbial pathogens. The NLR domain architecture likely evolved independently and convergently in each kingdom, and the molecular mechanisms of pathogen detection by plant and animal NLRs have long been considered to be distinct. However, microbial recognition mechanisms overlap, and it is now possible to discern important key trans-kingdom principles of NLR-dependent immune function. Here, we attempt to articulate these principles. We propose that the NLR architecture has evolved for pathogen-sensing in diverse organisms because of its utility as a tightly folded “hair trigger” device into which a virtually limitless number of microbial detection platforms can be integrated. Recent findings suggest means to rationally design novel recognition capabilities to counter disease.
This is an interesting Open Access paper about the development of a male-sterility system for breeding hybrid rice. If you teach genetics, your students might have fun working out how the male sterility trait is maintaned - a clever system!
For the past three months, we (Mary Williams and Plantae Fellows) have been profiling selected papers of broad interest to the plant science community. You can see all of our posts here:What We’re Reading. Early in 2017 we’ll be moving this feature to the new, soon-to-be unveiled public pages on Plantae (watch this space!). When hosted on that platform, the summaries will be searchable by the Tags we have been appending to the end of each summary.
We hope you have been finding this new feature useful; drop us a line if you have suggestions for improvements. If you’d like to contribute a short paper summary please contact firstname.lastname@example.org. Finally, best wishes for a happy, healthy, and most importantly peaceful New Year!
We’ve highlighted some of the Plant Cell papers that were widely shared, liked, blogged, retweeted and otherwise garnered high-levels of attention this year. Perhaps you can use some holiday-season quiet time to catch up on those you missed.
dPCD and pPCD regulation show some similarities, but also differ in many aspects. •
Whether a common core machinery for plant PCD control exists is still unclear.
Programmed cell death (PCD) is a fundamental cellular process that has adopted a plethora of vital functions in multicellular organisms. In plants, PCD processes are elicited as an inherent part of regular development in specific cell types or tissues, but can also be triggered by biotic and abiotic stresses. Although over the last years we have seen progress in our understanding of the molecular regulation of different plant PCD processes, it is still unclear whether a common core machinery exists that controls cell death in development and disease. In this review, we discuss recent advances in the field, comparing some aspects of the molecular regulation controlling developmental and pathogen-triggered PCD in plants.
The Genetics Society of America (GSA) Medal is awarded to an individual for outstanding contributions to the field of genetics in the last 15 years. Recipients of the GSA Medal are recognized for elegant and highly meaningful contributions to modern genetics, and exemplify the ingenuity of GSA membership.
The 2016 recipient is Detlef Weigel, whose contributions include the identification of the molecular basis for floral patterning; the determination of mechanisms for flowering time; and elucidation of genetic tradeoffs between growth and immunity in natural populations. Notably, his group identified the gene for florigen, a compound made in leaves that induces flowering. Throughout these investigations, Weigel developed multiple resources for the plant genetics community, including activation tagging to create gain-of-function mutants; gathering data and creating a web interface for AtGenExpress, a gene expression atlas for Arabidopsis; and jumpstarting the 1001 Genomes project of Arabidopsis thaliana.
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