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Roots are capable of measuring heat on their own, new study shows

Plant roots detect temperature changes and adjust their growth accordingly. Researchers found that root cells produce more auxin in response to elevated temperatures, stimulating cell division and allowing roots to grow deeper into the soil. This discovery could help develop new approaches for plant breeding against climate change.

SourceMartin-Luther-Universität Halle-Wittenberg·JournalThe EMBO Journal·TypeExperimental study·DateJul 10, 2023

RIPE researchers model ‘link’ between improved photosynthesis and increased yield

A team from the University of Illinois has modeled improving photosynthesis through enzyme modification and simulated soybean growth with realistic climate conditions. The study found that seasonal climate conditions impact the effectiveness of improving photosynthesis to increase soybean yield.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalField Crops Research·TypeComputational simulation/modeling·DateMay 2, 2023

Drought thresholds that impact vegetation growth reveals the critical points for nonlinear vegetation response to soil moisture stress

Researchers identify critical drought thresholds that impact vegetation growth and nonlinear responses to soil moisture stress. The study reveals two distinct phases of vegetation response, with a well-defined threshold beyond which vegetation becomes vulnerable to drought intensification.

SourceScience China Press·JournalNational Science Review·DateApr 20, 2023

Nature's nutcracker can crush pesticide residue

Researchers at Aarhus University have found an enzyme, C-P lyase, in E. coli bacteria that can degrade highly stable chemicals, including pesticides like RoundUp. The enzyme uses energy from ATP to open and close a 'nutcracker' mechanism that traps and breaks down troublesome chemicals.

SourceAarhus University·JournalNature Communications·TypeExperimental study·DateMar 1, 2023

A severe begomovirus-satellite DNA disease complex in Texas lower Rio Grande valley okra fields and its potential threat to cotton production: New “focus on cotton” webcast

A severe begomovirus-satellite DNA disease complex has been detected in okra fields in the lower Rio Grande Valley area of Texas, posing a significant threat to cotton production. The complex involves the exotic cotton leaf curl Gezira virus and its associated satellite DNA molecules.

How salmon feed flowers & flourishing ecosystems: Study

Researchers found that salmon carcasses can cause wildflowers to grow bigger and produce more seeds, shedding light on the impact of climate change on rivers and streams. The study, published in Royal Society Open Science, extends previous knowledge about nitrogen isotopes and their connection to plant growth.

SourceSimon Fraser University·JournalRoyal Society Open Science·TypeExperimental study·DateJan 25, 2023

Unraveling the selective transport of sugar and hormone that underlies male fertility in plants

The study reveals that SWEET13 transporter is necessary for pollen production, highlighting the importance of sucrose transport. Researchers used molecular docking and simulation to understand how SWEET13 selectively transports sucrose over gibberellin.

SourceInstitute of Transformative Bio-Molecules (ITbM), Nagoya University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 25, 2022

Plants between light and darkness

Researchers discovered two ion transport proteins, VCCN1 and KEA3, that dynamically adjust photosynthetic performance in response to light fluctuations. The study found that these proteins play a crucial role in protecting plants from excessive sunlight and optimizing growth under varying light conditions.

SourceMax-Planck-Gesellschaft·JournalNew Phytologist·TypeExperimental study·DateDec 23, 2022

Researchers analyze performance of bacterium in combating coffee rust

A study analyzed the potential of a bacterium to combat coffee rust, a major challenge for Brazilian coffee growers. The researchers found that the bacterium produces antibacterial and antifungal compounds, as well as proteins associated with protection against water stress, making it a promising candidate for biological control.

Researchers identify elusive carbon dioxide sensor in plants that controls water loss

Scientists have discovered a long-sought plant water loss-regulating sensor, composed of two proteins working together to regulate stomatal movements in response to changing CO2 concentrations. This finding has significant implications for trees, crops, and wildfires, as well as efficient plant water use and CO2 uptake.

SourceUniversity of California - San Diego·JournalScience Advances·TypeExperimental study·DateDec 7, 2022

Climate change in the forests of northern Germany

Researchers from the University of Göttingen found that European beech trees are experiencing increased drought stress in northern Germany due to climate change. The study reveals that dry locations show the strongest long-term decline in growth, highlighting the need for more resilient tree species.

SourceUniversity of Göttingen·JournalGlobal Change Biology·TypeExperimental study·DateDec 5, 2022

Shining a new light on the importance of a critical photosynthesis pathway in plants

Scientists have discovered that the ferredoxin/thioredoxin pathway is essential for light-dependent activation reactions in chloroplasts, crucial for normal plant growth and efficient photosynthesis. The study used CRISPR/Cas9 technology to create a mutated plant specimen with a defective Fd/Trx pathway.

SourceTokyo Institute of Technology·JournalJournal of Biological Chemistry·TypeExperimental study·DateNov 21, 2022

From cell walls to photosynthesis: How does manganese get to where it needs to go in plants?

A team of researchers from Martin-Luther-University Halle-Wittenberg has discovered a transport pathway for manganese in plants and the role that BICAT3 plays in this process. The protein is responsible for transporting manganese to where it needs to go in plant cells, leading to improved crop growth.

SourceMartin-Luther-Universität Halle-Wittenberg·JournalPLANT PHYSIOLOGY·TypeExperimental study·DateNov 15, 2022

A smoky solution — for plants

Researchers have made a surprising discovery that liquid smoke can enhance plant defense against pests and diseases, leading to new farming practices. The study found that sunflowers grown in soil treated with liquid smoke had larger, thicker, and greener leaves and appeared less prone to pests and disease.

SourceUniversity of Missouri-Columbia·JournalInternational Journal of Molecular Sciences·DateOct 19, 2022

Bees active in woodland tree-tops, research shows

New research from the University of East Anglia reveals that wild bees are actively foraging in the sunlit woodland canopy, particularly among Sycamore trees. A diverse community of wild bees was found to thrive in this habitat, with nectar and pollen-rich trees providing essential food sources.

SourceUniversity of East Anglia·JournalInsect Conservation and Diversity·TypeExperimental study·DateOct 12, 2022

Climate change is turning the trees into gluttons

New research shows that elevated carbon dioxide levels in forests in the US have increased wood volume by up to 20%, making trees more efficient at absorbing carbon dioxide. This phenomenon is called carbon fertilization and can help mitigate climate change, potentially reducing costs associated with mitigation efforts.

SourceOhio State University·JournalNature Communications·TypeObservational study·DateSep 27, 2022