Tag: Biotic Interactions

Some of the most fascinating discoveries in biology are found at the interface between hosts and pathogens, where each organism is endlessly fighting for its survival. Plant pathogens produce a wide array of effector proteins that promote their virulence, but we only understand how some of these effectors…

Like all of Earth’s lifeforms, plants are already experiencing hardships due to the changing climate, and these stresses will get more extreme. Much effort has gone into breeding crops for climate resilience, less on trees which are both more diverse and less genetically tractable. Here, Allsup et…

Much of what is written about the impacts of climate change on food production is focused on the abiotic stresses that plants will experience, but biotic stresses will be equally impactful, as discussed in this fine review by Singh et al. The challenges in predicting climate impacts on plant disease…

This is one of those “straight into the textbook” stories. Kellenberger et al. investigated the unusual petal pigmentation pattern of a South African daisy Gorteria diffusa, which has petals with odd lumpy irregular spots that mimic female flies and enhance pollination through sexual deception. The…

The vertebrate adaptive immune system is truly an evolutionary marvel. With its ability to mix-and-match segments of immunoglobulin genes, a nearly unlimited diversity of antigens can be recognized. Plants lack this ability, greatly limiting the number of antigens (and pathogens) any individual can recognize.…

As an educator, I reply on metaphors and stories to engage my readers, yet the line between hyperbole and engagement is thin. The concept of plant-plant communication is exciting, and certainly has some truth, but unfortunately has spilled over into a narrative that perhaps is more fiction than fact.…

Bitter gourds (or bitter melon) have been a childhood nightmare of mine. I remember that as a child, my grandparents used to force me to consume these really bitter gourds (Momordica charantia) telling me that they had ‘many benefits’. In addition to being a rich source of antioxidants, M. charantia…

Striga, commonly known as witchweed, compromises the yield of maize (Zea mays) especially in Africa. The seeds of Striga species remain dormant in the soil and are stimulated to germinate by a class of hormones called strigolactones (SL) exuded by the maize roots. Strigolactones are plant hormones with…