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Closing the trap

Carnivorous sundews actively capture their prey. But in contrast to the related Venus flytraps, sundews are not responding to touch or other mechanical stimulants. Now Chinese researchers show that a small peptide, glutathione, likely released by the captured fly, signals for the trap to close.

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How plants photosynthesize

Sometimes it seems that plants grow spontaneously. This all is due to maybe one of the coolest tricks of plants in that they produce their own food. Photosynthesis plays a major role in this process.

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CO2 regulates stomata opening

Stomata, the pores on the underside of the leaf, let CO2 in for photosynthesis and water vapour out. Now researchers show that by an increasing of CO2 in the atmosphere plants are not using this to fix more energy but for saving water.

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Sounding the alarm

Early detection of a pathogen attack can prevent the spread of an infection. But how this early detection is then translated into warning for the rest of the plant is not known. Now British researchers show in Nature Plants using a reporter system that the alarm passes through the plant much faster than first thought.

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Creating an oxygen-restricted niche

Plants, just like us, need oxygen, but their growth centre, there where the leaves and stems emerge, is surprisingly low on oxygen. There, there is four to six times less than in the air outside the plant. Now a group of international researchers show in Molecular Plant how a plant establishes and maintains this low…

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Seed banks shape gene drive outcomes

Seeds have this amazing ability to lay dormant in the soil for many years. As such, although genes are transferred from one generation to the next, that next generation isn’t always directly following the previous one. This makes studying the outcome of plant reproduction more complex. Now a new paper in Nature Plants shows how…

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Stomata done differently

Stomata are the pores formed by kidney shaped cells. But in some plants like succulents, they look a little bit different and have these accompanying “wingmen” cells. Now a new study in Science Advances found clues for their function and how they are formed.

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Rescued by wild genes

In the ever-ongoing arms race between crops and their pest scientist are kept busy by identifying new resistance mechanisms against new pests. Now a new study by Israeli scientists illustrates that looking at the genomes of those contributing wild relatives might help.

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By stress hit pause

Stresses, like cold and salt stress, impact plant growth. Not only during the stress but also during the recovery. Now Canadian researchers discovered how during stress plants pause their cell division, which they continue after the stress is gone.

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Inheriting mitochondria

Like most eukaryotes, plants get their mitochondria from one of their parents. Most often it is the maternal line that provides them. Now a group of international researchers found out that in tobacco (Nicotiana tabacum) paternal mitochondria slip through more often than first thought.

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A genetic roadmap of a barley spikelet

The development of barley spikelts goes accompanied with lots of genetic decisions. To get more insight into this, German researchers created a genetic roadmap of the developing barley spikelet.

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Synchronised flowers

Plants synchronise the opening of their flowers with the scent production of those flowers. But how this is regulated is still not completely clear. Now a group of Korean researchers found the circadian gene that coordinates this synchrony.

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Good smelling tomatoes

Nobody wants a juicy tomato without taste. One of the contributors to that taste are the volatile compounds from the tomato. But how the tomato regulates their production was not clear. Now a group of Korean researchers found out that losing a single gene that regulates the degradation of chloroplasts also influences the production of…

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What makes strawberry plants run

If you ever grew strawberry plants then you know they are prone to produce runners, which produce daughter plants along their stems, but no strawberries. Now a group of Chinese and American researchers found out how plants regulate the formation of those runners.

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Moving reproductive siRNAs

When thinking about plant reproduction you might be forgiven thinking that all the action happens in flowers. Small interference RNA, or siRNA for short, that originated elsewhere in the plant also play a role. In fact, without them pollen are largely not viable. The one exception, at least so scientists thought, where the brassica species.…

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Salt loving bacteria help plants in salty soils

Crops growing on salty soil do less well than their on none salty soil growing counterparts. And this is a problem, as salinity affects huge swatches of soil all over the world. Now a group of Indian researchers decided to find out if salt loving bacteria could help plants grow on salty soils.

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Sensing temperature

Plants sense temperature, but whether this is the actual temperature, or a perceived difference in temperature, that’s what the scientists are not sure about. Now a group of Japanese scientists think they have the answer, at least for the liverwort Marchantia polymorpha.

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Using the pathogens tricks to gain resistance

Plants and pathogens are involved in a tug of war. A lot of that fight takes place in the extracellular space, the space between cells, in plant tissues. There plants secrete an arsenal of defence molecules, like proteases, glycosidases and lipases. Pathogens do this as well including some inhibitors. So how come those inhibitors don’t…

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