Plants show enormous variety in traits relevant to breeding, such as plant height, yield and resistance to pests. One of the greatest challenges in modern plant research is to identify the differences in genetic information that are responsible for this variation. A research team led by the "Crop Yield" working group at the Institute for Molecular Physiology at Heinrich Heine University Düsseldorf (HHU) and at Max Planck Institute for Plant Breeding Research in Cologne (MPIPZ), together with the Carnegie Institution of Science at Stanford, has now developed a method to identify precisely these special differences in genetic information. Using the example of maize, they demonstrate the great potential of their method in the journal Genome Biology and present regions in the maize genome that may help to increase yields and resistance to pests during breeding. [more]

Scientists from the Max Planck Institute for Plant Breeding Research, in Cologne, in collaboration with an international team of researchers, have identified natural chemical strategies that bacteria use to keep competitors at bay and successfully proliferate on plants. The study is now published in the journal PNAS.
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New findings from researchers at the Max Planck Institute for Plant Breeding Research in Cologne, Germany, suggest an explanation for the century-old mystery of how chromosome recombination is regulated during sexual reproduction. Their findings are published in the journal Nature Communications.
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Scientists from the Max Planck Institute for Plant Breeding Research and the University of Cologne in Germany together with colleagues from China have unravelled how wheat protects itself from a deadly pathogen. Their findings, published in the journal Nature, could be harnessed to make important crop species more resistant to disease. [more]

A fundamental topic in plant development is how proteins function together in regulatory networks to coregulate the activity of specific target genes. A collaboration between researchers in the groups of George Coupland and Jijie Chai from the Max-Planck Institute for Plant Breeding Research and the University of Cologne has elucidated an elegant mechanism for how a particular protein–protein interaction cooperatively targets genes in Arabidopsis by affecting DNA conformation. The findings, published in Nature Plants, has wider implications for how transcription factors can achieve regulatory specificity in other developmental contexts.
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A research team led by André Marques at the Max Planck Institute for Plant Breeding Research in Cologne, Germany, has uncovered the profound effects of an atypical mode of chromosome arrangement on genome organization and evolution. Their findings are published in the journal Cell. [more]

Two studies published in the journal Science by researchers at the Max Planck Institute for Plant Breeding Research in Cologne, Germany in collaboration with colleagues in China have discovered natural cellular molecules that drive critical plant immune responses. These compounds have all the hallmarks of being small messengers tailored by plants to turn on key defense-control hubs. Harnessing these insights may allow scientists and plant breeders to design molecules that make plants, including many important crop species, more resistant to disease. [more]

Researchers identify the genes controlling the mechanical structure of exploding seed pods [more]

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New research in plants that colonized the base of an active stratovolcano reveals that two simple molecular steps rewired nutrient transport, enabling adaptation.
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The plant hormone cytokinin inhibits root cell growth [more]

The study, published in Current Biology, shows a direct link of auxin to pollen fertility. [more]

Wild populations of the model plant Arabidopsis thaliana from the Cape Verde Islands reveal the mechanisms of adaptation after abrupt environmental change.
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The complete sequencing of the genetic material facilitates the breeding of new varieties [more]

A collaborative project between researchers has shed light on the fungal genetic determinants that explain why some fungi from the root microbiome can colonize roots and cause disease more efficiently than others.
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Researchers from the Max Planck Institute for Plant Breeding Research (MPIPZ) have discovered that diverse root-colonizing fungi can benefit plants, but only when they are kept in check by the host innate immune system and the bacteria residing in roots. [more]

New study highlights the value of using genetic crosses and genomic comparisons between closely-related plant species. [more]

The total DNA of an organism is significantly more extensive than the actual genome used. A consortium of German and U.S. researchers involving the Max Planck Institute for Plant Breeding Research in Cologne (MPIPZ) and the Heinrich Heine University Düsseldorf (HHU) developed a method in order to determine all regions of the active genome in a single analysis. They present their results using the crop plant maize in the current issue of the journal PLoS Genetics.
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An international team of researchers from the Max Planck Institute for Plant Breeding Research and the University of Åarhus in Denmark have discovered that bacteria from the plant microbiota are adapted to their host species. In a newly published study, they show how root-associated bacteria have a competitive advantage when colonizing their native host, which allows them to invade an already established microbiota. [more]

Researchers from the Max Planck Institute for Plant Breeding Research (MPIPZ) have discovered that signalling occurring from the response of plant leaves to light, and plant roots to microbes, is integrated along a microbiota-root-shoot axis to boost plant growth when light conditions are suboptimal. [more]

Scientists from MPIPZ in collaboration with the Sainsbury Laboratory (UK) find a long sought after complex between two conserved plant-specific protein families that connect pathogen-activated immune complexes to defence outputs. [more]

Scientists from the Max Planck Institute for Plant Breeding Research in Cologne, and the University of North Carolina at Chapel Hill, have shown that the presence of both immune-suppressive and non-suppressive bacteria in the plant root microbiota is crucial to strike a balance between plant growth and plant defence. [more]

A team in the department of Chromosome Biology at MPIPZ in collaboration with INRAE of Versailles France, explored the function of the synaptonemal complex. [more]

Scientists at the Max Planck Institute for Plant Breeding Research in Cologne have shown how individual members of the MIR172 gene family promote flowering.

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Recent findings presented by Dr. Zhongjuan Zhang, Dr. Miltos Tsiantis and their colleagues offer important advances in our understanding of morphological diversity using plant leaves as an example [more]

A collaborative study on a plant intracellular immune receptor from researchers at the Max Planck Institute for Plant Breeding Research (MPIPZ) also reveals some common operational principles with immunity proteins from humans. [more]

Max Planck Institute for Plant Breeding Research (MPIPZ) and University of Cologne researcher Takaki Maekawa and colleagues have discovered that plants have independently evolved a family of immune proteins that are strikingly similar to animals. [more]

Researchers from the Max Planck Institute for Plant Breeding Research have found that, faced with limiting iron, plants direct their microbiota to mobilise this essential nutrient for optimal growth. [more]

By analysing the different layers of bacterial gene expression during pathogen infection of a plant host, Kenichi Tsuda and colleagues from the Max Planck Institute for Plant Breeding Research in Cologne, Germany and Huazhong Agricultural University in Wuhan, China have revealed new insights into bacterial gene regulation as well as the strategies employed by plants to target key bacterial processes. [more]

A continental-scale census and analysis of root-inhabiting microorganisms reveals that plants across Europe consistently harbour a small group of unexpectedly abundant ‘core’ microorganisms, irrespective of soil conditions and climate. [more]

Evolution can promote novelty by keeping gene expression in check [more]

Max Planck researchers equip the plant with pinnate leaves [more]

Cryo-electron microscopy reveals the molecular steps in plant immune receptor activation [more]

A recent study from the Max Planck Institute for Plant Breeding Research in Cologne, published in the New Phytologist, helps resolve these issues by reporting new insights into the relationships among Brassicaceae species. [more]

In many plant species, flowering is controlled by day length through the transcriptional regulation of a key gene called FLOWERING LOCUS T (FT) in the model plant Thale cress (Arabidopsis thaliana). The Turck group at the Max Planck Institute for Plant Breeding Research (Cologne, Germany) has used an epigenetic approach to systematically probe regions surrounding the FT locus for a regulatory role in FT expression. As they now report in Nature Plants (doi 10.1038/s41477-019-0375-2), FT’s response to long days requires the presence of both, a previously characterized distal enhancer located in the promoter and the support of its “shadow” enhancer located downstream of the gene. [more]

Scientists at the Max Planck Institute for Plant Breeding Research in Cologne have revealed that direct physical associations between plant immune proteins and fungal molecules are widespread during attempted infection. [more]

A new study by researchers at the Max Planck Institute for Plant Breeding Research (MPIPZ) in Cologne has revealed that a previously unappreciated structural feature underlies the ability of the plant immune molecule EDS1 to provide a timely defense boost against pathogens. [more]

Researchers reveal how the age of a plant determines its sensitivity to winter cold [more]

A new study from researchers at the Max Planck Institute for Plant Breeding Research published in the journal PNAS shows that the crosstalk between plant responses to physical and biological stresses varies between young and old leaves to enable optimal plant performance when the two kinds of stress are encountered simultaneously. [more]