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Plants spice up their sex life with defensins

Scientists have found that plants deploy defensin proteins to facilitate the fertilization process, releasing male sperm cells through an explosive mechanism. This groundbreaking discovery provides new insights into the evolution of flowering plants and may lead to breakthroughs in breeding crops with improved fertility.

SourcePLOS·JournalPLOS Biology·DateJun 1, 2010

Dietary protein may reduce hip fractures in the elderly

A new study suggests that higher dietary protein intake can lower the risk of hip fractures in elderly individuals. The research, conducted on 946 seniors from the Framingham Osteoporosis Study, found that those consuming more protein had a significantly lower incidence of hip fractures compared to those with lower protein intake.

Bringing dehydrated plants 'back to life'

Researchers found that dehydrin proteins play a key role in helping plants like the resurrection fern survive up to 95% water loss, allowing water to act as a lubricant between cell walls. This discovery could lead to developing drought-resistant crops by localizing and transferring the dehydrin gene.

SourceBotanical Society of America·JournalAmerican Journal of Botany·DateMar 31, 2010

Researchers harness the power of plants to fight hemophilia

A new plant-based system has been developed to help hemophilia patients build tolerance to their treatment, reducing the risk of allergic reactions. The system, made from genetically modified plants, can be ingested and releases a tolerated protein into the small intestine, where it can be acted on by the immune system.

SourceUniversity of Florida·JournalProceedings of the National Academy of Sciences·DateMar 30, 2010

Genes under control

Max Planck scientists have successfully inserted a gene switch into the genetic material of chloroplasts in plant cells, allowing for controlled protein production. This breakthrough enables researchers to study the functions of chloroplasts and explore potential applications in biotechnology, such as producing antibiotics.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateMar 30, 2010

Cucumber genome published

The cucumber genome has been sequenced, offering a platform for studying the cucurbit family and plant biology. The genome will aid in understanding disease and pest-resistance, flavor traits, and sex expression, with potential applications in agriculture.

SourceUniversity of California - Davis·JournalNature Genetics·DateNov 1, 2009

Pumpkin skin may scare away germs

A new study reveals that pumpkin skin contains a powerful antifungal protein that can inhibit the growth of disease-causing microbes, including Candida albicans. The protein could be developed into a natural medicine to fight yeast infections in humans.

SourceAmerican Chemical Society·JournalJournal of Agricultural and Food Chemistry·DateOct 28, 2009

The blossoms of maturity

Researchers at Max Planck Institute find that a decline in microRNA156 concentration triggers flowering in Arabidopsis, allowing plants to bloom even in unfavorable environments. This endogenous mechanism ensures plant survival and prevents delayed flowering.

SourceMax-Planck-Gesellschaft·JournalCell·DateAug 20, 2009

New breakthrough in global warming plant production

Researchers at the University of Leicester have identified a single gene responsible for controlling plant growth responses to high temperatures, which could significantly impact crop production as global warming increases. The study found that mutant plants deficient in the regulatory protein PIF4 display reduced growth and biomass.

SourceUniversity of Leicester·JournalCurrent Biology·DateMar 30, 2009

Researchers identify a process that regulates seed germination

Researchers at Purdue University have identified a process called sumoylation that regulates gene activity involved in seed germination and seedling development. The study found that sumoylation is essential for controlling significant plant characteristics, including freeze tolerance and phosphate absorption.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateMar 11, 2009

Self-regulating molecular 'transformers' control intracellular protein delivery

Scientists at Caltech have discovered self-regulating molecular 'transformers' that control the delivery of proteins to their correct locations within cells. The research could lead to novel treatments for diseases resulting from flaws in protein delivery and the development of new types of antibiotics.

SourceCalifornia Institute of Technology·JournalProceedings of the National Academy of Sciences·DateFeb 10, 2009

Scientists use light to control proteins

Researchers at Penn State and the University of Texas Southwestern Medical Center have discovered a way to control certain proteins using light. The team's hybrid protein was engineered to respond to light, increasing or decreasing enzyme activity depending on the illumination, offering new possibilities for treating diseases.

SourcePenn State·JournalScience·DateOct 16, 2008

Key to virulence protein entry into host cells discovered

Researchers from Virginia Tech have identified a region of virulence proteins that enables them to enter the cells of their hosts, suppressing the immune system and allowing infection to progress. The discovery may lead to new approaches for blocking infections by both oomycete and malaria parasites.

SourceVirginia Tech·JournalProceedings of the National Academy of Sciences·DateAug 4, 2008

Can tomatoes carry the cure for Alzheimer's?

Researchers have developed a plant-derived vaccine against Alzheimer's disease using transgenic tomatoes expressing human beta-amyloid protein. The study showed a strong immune response in mice, but the potency of the vaccine needs to be increased.

SourceSpringer·JournalBiotechnology Letters·DateJul 8, 2008