disease has emerged, threatening tomato production worldwide. This is caused by the Tomato brown rugose fruit virus (ToBRFV), a member of a devastating group of plant viruses called tobamoviruses. ToBRFV overcomes all known tobamovirus resistance in tomato, including the one conferred by Tm-22, a resistance gene responsible for the stable resistance to these viruses for more than 60 years.
In a study published recently, researchers have revealed that a tropical rainforest tree species underwent a recent and rapid population expansion in Borneo, showing that an understanding of a species’ past is important for ensuring its future.
Genetic detective work has uncovered an obscure ancestor of modern bread wheat, in a finding similar to uncovering a famous long-lost relative through DNA analysis in humans. Researchers have sequenced the DNA from 242 unique accessions of Aegilops tauschii gathered over decades from across its native range – from Turkey to Central Asia.
An international team of researchers has identified genes associated with plant survival in one of the harshest environments on Earth: the Atacama Desert in Chile.
Plants need sunlight to survive. Researchers have discovered that when plants are grown in the shade, they turn on hundreds of stress-related genes. The researchers found that a specific group of proteins called WRKYs are responsible for stunting root growth so the plant can focus on growing taller. They hope that their findings will help other researchers design plants that can still thrive without sunlight, which may help farmers grow more crops in denser fields.
A research team has observed that the role of plant tissue – the endosperm – is not only to feed the seed but is crucial for the development and protection of young plants.
The potential of intercropping with perennial plants in woody systems to mitigate climate change through soil carbon sequestration could increase in the long term, once the new crops are fully developed and stabilised. The ongoing nature of the research would enable to confirm if this type of diversification would be a long-term solution to convert these systems into carbon sinks, thereby contributing to mitigating climate change.
To enable fast, efficient and cost effective bioengineering of plants, new tools and methods to deliver the genetic material into plant cells are increasingly being researched. Nanoparticles assisted delivery of biomolecules is one such under explored tool for their application in plant system.
What we cannot see is how plants sense force, at least not yet. But a discovery by plant biologists will help make it possible to study how mechanical forces, such as gravity, affect the way that plant cells form and grow. They have created the first artificial scaffolds that can support the growth of individual plants cells.
Fruits can be dichotomously classified as fleshy or dry. Although many factors have been proposed to explain the pattern that the fleshy-fruited species occur with deceasing latitude and altitude, the relative importance of these factors has not yet been resolved. Researchers have investigated in a recent study factors affecting fruit type (fleshy vs. dry): plant growth form, environmental constraints (summarized by climate region), and phylogenetic conservatism.