GM/Biotech Crops Report – January 20225th January 2022
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GM/Biotech Crops Monthly Report January 2022
Not just rust resistance
Scientists at the Sainsbury Lab in Norwich have been evaluating some genes that confer resistance to rust in wheat and barley. Imagine their delight when they realised it also conferred resistance to powdery mildew. (Pic: Scot Nelson)
Clean gene editing
Researchers at the Chinese Agricultural University have discovered that CRISPR-Cas9 editing, besides cutting out chunks of DNA, can also be used to make structural changes to the genes such as inversions and duplications. Using these techniques, they have achieved better herbicide resistance in rice with no effect on the other agronomic traits.
Improved camelina seed
Camelina sativa (Gold of pleasure) has already been modified to produce omega-3 fatty acids and now, by splicing in an enzyme from a bacterium, researchers have made a plant that also has improved lysine content. Lysine is an essential amino acid that humans cannot manufacture in their bodies and must be consumed in our diet.
New source of anti-biotics
Flemming discovered penicillin when some non-ribosomal peptide synthase enzymes in his petri dished synthesised this first antibiotic and now some researchers at Manchester University have used CRISPR-Cas9 editing to make these enzymes produce novel antibiotics that could help with the constant fight against the microbes that develop resistance to our existing ones.
Tighter control of gene-edited arthropods?
Responding to a gap in regulation he American Committee of Medical Entomology has issued an addendum to the Arthropod Containment Guidelines with specific risk-based recommendations on the containment of modified genes capable of spreading through the natural population. However, they are still just recommendations.
Improved pearl millet
First released for cultivation in 2004 for cultivation in the rainy season and post rain seasons of India, GHB 538 was early flowering but eventually found to be susceptible to downy mildew and now an improved variety has been released with downy mildew resistance, higher protein content and increased yields of both grain and fodder.
CRISPR-Cas9 editing has been around almost 10 years and is used for making changes to one cell at a time. Now the team that discovered it have gone a step further and found a way to edit genes in a whole population of microbes in one fell swoop. It sounds a bit draconian but perhaps soon we will get our vaccines through our water supply.
A mask that glows
Researchers at Kyoto University in Japan have developed a face mask that glows under UV light if it has been exposed to Coronavirus. The glow fades with time as the virus load decreases. Sounds better than sticking a probe down your throat and up your nose.
It’s cotton Jim
Cotton is being sent to the International Space Station where experiments on the genetics of somatic embryogenesis where whole plants are generated from single somatic cells. It is thought that this could speed up the development of disease resistance and drought tolerance traits in a range of crops.
THE LATEST ADDITIONS TO THE GM/BIOTECH DATABASE ARE:
The latest approvals of biotech crops to report this month:
- There are no new additions to the Biotech Crop database this month.
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