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Next Wednesday, May 13, Elizabeth Haswell and Naomi Nakayama will join us for the next webinar in our Plantae Presents Global Plant Science series. Register to learn about "Mechanosensitive ion channels in the green lineage" and "Forms and functions of the dandelion diaspore: how to fly and tune the flight." A full list of upcoming events is available on Plantae, along with links to previous recordings.
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Information about ASPB's response to the COVID-19 pandemic, including weekly updates on new guidelines and research opportunities from U.S. federal agencies.
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Plantae community member Stephanie Smith has compiled a list of quarantine-friendly education and training courses in plant science, bioinformatics, and other methods for researchers and students. View her list and comment to share additional resources.
The Open Innovation platform of Corteva Agriscience™ has released a call for proposals on Genome Editing for Crop Improvement. Scientists from academic and non-profit research institutes located in the United States and Canada are invited to submit non-confidential proposals describing gene edits in maize, soybean, canola, wheat, or sorghum with the potential to improve agriculture. Submission deadline: May 31.
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Size and chamber volume are critically important for rapid, accurate measurement of leaf gas exchange. Small system volume ensures faster equilibration time. Low flow rates mean higher CO2 differentials and improved signal-to-noise ratio. The CIRAS-3 Portable Photosynthesis System provides both. How does your system compare?
Find out for yourself!
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Recognizing Plant Direct authors: Kyungwon Min, first author of A metabolomics study of ascorbic acid-induced in situ freezing tolerance in spinach (Spinacia oleracea L.).
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The spotlight is on Ronny Reimann, Delf Kah, Christoph Mark, Jan Dettmer, Theresa Maria Reimann, Richard Carl Gerum, Anja Geitmann, Ben Fabry, Petra Dietrich, and Benedikt Kost. Their article "Durotropic Growth of Pollen Tubes" has an Altmetric score of 28 and 42 mentions in the past week.
The spotlight is on William T. Molin, Allison Yaguchi, Mark A. Blenner, and Christopher A. Saski. Their article "The eccDNA Replicon: A Heritable, Extra-Nuclear Vehicle that Enables Gene Amplification and Glyphosate Resistance in Amaranthus palmeri" has an Altmetric score of 58 and over 100 mentions in the last week.
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The Plant Cell invites submissions to a Focus Issue on the Biology of Plant Genomes to be published in April 2021. Possible submissions: sequencing/analysis of plant genomes of particular interest, comparative genomics, genome evolution, advances in genome modification, epigenomics and genome-wide studies of chromatin, large-scale analyses of RNA in a genomic context, systems or synthetic biology on a genomic scale, or any of these topics as applied to plastid or mitochondrial genomes. Target date for submissions: September 1.
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This Focus Issue will highlight the recent advances in our understanding of the molecular mechanisms behind membrane transport, its integration with signaling, and its roles in homeostasis. A selection of Update Reviews, included within the Issue, will address new and transformative insights that are driving research beyond the traditional boundaries of transport physiology. We encourage submissions that address quantitative frameworks in understanding membrane transport, transport proteins, and the integration of transport and signaling across scales. Submission deadline: December 1.
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Thousands of plant scientists receive this association news brief. You can promote your relevant products and services to our community by advertising with the Signal!
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SciBriteTM LED lighting, one of Percival Scientific’s latest innovations, gives you significantly more features and benefits for your research. Our proprietary LED system provides more flexibility than lighting systems offered by other growth chamber manufacturers. Using our IntellusUltra Controller, you can control the intensities for each color to produce specific light wavelength ratios for your experiments.
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This week, we are featuring ASPB Founding Legacy Society Member Peggy G. Lemaux. Read about Peggy's career, contributions to plant science, and advice for those just starting out in this interview.
To see more jobs, go to jobs.Plantae.org.
| Date |
Event |
More Information |
| Starting April 1 |
Plantae Presents — Global Plant Science Talk Series |
Details |
| July 27-31 |
Plant Biology 2020 World Wide Summit (ONLINE) |
Details |
For plant science events, make sure to check out the Global Plant Science Events Calendar. Also check the calendar for the latest cancellations and postponements due to the COVID-19 pandemic, as well as webinars and online events you can join.
From The New York Times
The tree helped build industrial America before disease wiped out an estimated three billion or more of them. To revive their lost glory, we may need to embrace modern biotechnological tools.
From Annals of Botany via Plantae
Cesarino and coworkers explain how advances in "omics" technologies, together with improvements in molecular techniques and genetic transformation, have facilitated the use of new model species from across the green kingdom to explore different aspects of plant development, physiology, metabolism, and defense response.
From eLIFE via Plantae
Wietrzynski et al. introduce "membranograms," a cryo-EM-based method for mapping protein complexes onto segmented thylakoid membranes. This approach, here used on the green alga Chlamydomonas, gives an in situ, molecular-scale view of thylakoid architecture.
From Current Biology via Plantae
The origin and ancestral function of stomata are obscure because there are both stomata-bearing and stomata-lacking lineages and considerable diversity in stomatal morphology and function. By making use of recently released plant genome data, Harris et al. sought to unravel the evolutionary history of stomatal development and function. They determined that bryophytes were monophyletic and a sister clade to tracheophytes and suggest that these data indicate that the common ancestor of land plants already possessed stomata.
From Stanford's School of Earth, Energy & Environmental Sciences via Science Daily
In a brilliant dance, a cornucopia of flowers, pinecones and acorns connected by wind, rain, insects, and animals ensure the reproductive future of seed plants. But before plants achieved these elaborate specializations for sex, they went through millions of years of evolution. Now, researchers have captured a glimpse of that evolutionary process with the discovery of a new ancient plant species.
From University of Adelaide via Phys.org
Scientists at the University of Adelaide and Shanghai Jiao Tong University in China have discovered two proteins in rice involved in pollen aperture formation which are essential in the successful pollination of flowering plants.
From California State University, Fullerton
In a recent study, Schenk et al. found why plants can't survive and function in the driest of soils, including the physical limits to the amount of suction plants can produce to move water up to their leaves. This interdisciplinary study by plant biologists and physicists is important because it potentially explains how plants take up water in very dry soil — such as drought-tolerant plants in Southern California and in the desert — and survive, said Schenk.
From Pennsylvania State University
Trees, shrubs, and woody vines are among the top food sources for honey bees in urban environments, according to an international team of researchers. By using honey bees housed in rooftop apiaries in Philadelphia, the researchers identified the plant species from which the honey bees collected most of their food and tracked how these food resources changed from spring to fall.
From Lancaster University via Science Daily
Smart thermostats tell air conditioners to switch on when the sun is bearing down in the summer and when to shut down to conserve energy. Similarly, plants have Rubisco activase, or Rca for short, that tells the plant's energy-producing enzyme (Rubisco) to kick on when the sun is shining and signals it to stop when the leaf is deprived of light to conserve energy.
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