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tag plant defenses genetics genomics

A C-fern (Ceratopteris richardii) growing in a pot
Genome Spotlight: C-fern (Ceratopteris richardii)
Christie Wilcox, PhD | Sep 22, 2022 | 5 min read
Sequences for the model organism and two of its kin reveal how these plants got their oversized genomes.
A close up of a tick held in a pair of forceps, with Kevin Esvelt’s face out of focus in the background.
CRISPR Gene Drives and the Future of Evolution
Hannah Thomasy, PhD | Mar 15, 2024 | 10+ min read
Genetic engineering pioneer Kevin Esvelt’s work highlights biotechnology’s immense potential for good—but also for catastrophe.
bacteria and DNA molecules on a purple background.
Engineering the Microbiome: CRISPR Leads the Way
Mariella Bodemeier Loayza Careaga, PhD | Mar 15, 2024 | 10+ min read
Scientists have genetically modified isolated microbes for decades. Now, using CRISPR, they intend to target entire microbiomes.
A bat flying in a dark cave
Turning on the Bat Signal
Hannah Thomasy, PhD | Mar 15, 2024 | 10+ min read
Scientists around the world investigate how bat immune systems cope with viral attacks and how this information could be used to keep humans safe.
Bugs as Drugs to Boost Cancer Therapy
Danielle Gerhard, PhD | Jan 18, 2024 | 7 min read
Bioengineered bacteria sneak past solid tumor defenses to guide CAR T cells’ attacks.
Yeast Made to Harvest Light Hint at Evolution’s Past
Kamal Nahas, PhD | Feb 21, 2024 | 6 min read
Scientists transferred light-harvesting proteins into yeast for the first time, shining a light on the past lives of eukaryotic cells.
Green and red fluorescent proteins in a zebrafish outline the animal’s vasculature in red and lymphatic system in green in a fluorescent image. Where the two overlap along the bottom of the animal is yellow.
Serendipity, Happenstance, and Luck: The Making of a Molecular Tool
Shelby Bradford, PhD | Dec 4, 2023 | 10+ min read
The common fluorescent marker GFP traveled a long road to take its popular place in molecular biology today.
Protecting plants
William Wells(wells@biotext.com) | Dec 3, 2000 | 1 min read
Plants that recognize a pathogen induce both a local defense response and a long-lasting, broad spectrum disease resistance throughout the plant, termed systemic acquired resistance (SAR). In the December Nature Genetics Maleck et al. use microarrays to monitor transcriptional changes during development of SAR (Nat Genet 2000, 26:403-410). Of the 10,000 expressed sequence tags (ESTs) on the microarrays, representing 25-30% of all genes from Arabidopsis thaliana, 413 show changes of 2.5-fold or m
An Edith’s checkerspot butterfly
Genome Spotlight: Edith’s Checkerspot Butterfly (Euphydryas editha)
Christie Wilcox, PhD | Aug 25, 2022 | 3 min read
A high-quality genome sequence for this versatile insect will likely aid eco-evolutionary research.
USDA Proposes Ambitious New Plant Genome Initiative
Christopher Anderson | Aug 6, 1989 | 4 min read
WASHINGTON-In an ambitious answer to the National Institutes of Health's Human Genome Project, the U.S. Department of Agriculture has sprouted plans for a parallel project to map the genetic structure of key food plants. The proposal, presented by USDA program manager Jerome Miksche at a meeting of the NIH genome project's advisory committee in June, would identify genetic traits that can increase yield and disease resistance. The price tag is estimated to be $500 million over 10 years. In recen

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