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63 papers found.
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Chicken or egg—Weismann revisited

Peter Nick - Multicellularity allows for division of labour. This requires that individual cells adopt different developmental fates. This developmental dichotomy could arise from interactions

Sniff and run—the chemistry of attraction

Peter Nick 0 ) Botanical Institute, Karlsruhe Institute of Technology , Karlsruhe, Germany Fitness represents the gold standard of evolution. This scintillating term generally describes the

Methusalem’s mystery

Peter Nick Handling Editor: Peter Nick 0 ) Botanical Institute, Karlsruhe Institute of Technology (KIT) , Karlsruhe, Germany - Life is limitedat least for multicellular animals. The separation

You need to see what you want to understand—ultrastructure helps to uncover the mysteries of early life

Peter Nick 0 ) Karlsruhe, Germany - The early evolution of eukaryotes has remained a realm of mystery and surprise. The qualitative leap from the prokaryotes to cells, that bear complex and

Significant signals—versatile interpreters

Peter Nick 0 ) Karlsruhe, Germany - Signals do not convey information a manner that is absolute; their information depends on the context. Many biological signals are simple molecules or simple

Green signals for life and death

Peter Nick 0 ) University of Karlsruhe , Karlsruhe, Germany - Multicellularity allows to assign different functions to individual cells which is advantageous for the entire population of cells

Moonlighting organelles—signals and cellular architecture

Peter Nick 0 ) University of Karlsruhe , Karlsruhe, Germany How living beings acquire novel functions has remained one of the most difficult questions of evolutionary biology, because to confer a

Suppression of tubulin detyrosination by parthenolide recruits the plant-specific kinesin KCH to cortical microtubules

Detyrosination of α-tubulin seems to be conserved in all eukaryotes. However, its biological function in plants has remained obscure. A conserved C-terminal tyrosine is removed by a still unidentified tubulin–tyrosine carboxypeptidase (TTC) and can be religated by a tubulin–tyrosine ligase (TTL). To obtain insight into the still elusive biological function of this ...

Eduard Strasburger—dead for a century, but still alive

Peter Nick Science tradition 0 ) University of Karlsruhe , Karlsruhe, Germany - The decay rate of biological knowledge is estimated to be in the range of less than a decade. In times, where

An ancestral allele of grapevine transcription factor MYB14 promotes plant defence

Peter Nick 2 Qiao Zhao, Tsinghua University 0 Institute of Molecular Genetics, Johannes Gutenberg-University Mainz , J.-J.-Becherweg 32, D-55128 Mainz , Germany 1 College of Life Sciences, Northwest

Negotiating on identity—glimpses on biological borders

Peter Nick Handling Editor: Peter Nick 0 ) University of Karlsruhe , Karlsruhe, Germany - All organisms need a border delineating an internal space that is buffered against the fluctuating

Increased tolerance to salt stress in OPDA-deficient rice ALLENE OXIDE CYCLASE mutants is linked to an increased ROS-scavenging activity

Salinity stress represents a global constraint for rice, the most important staple food worldwide. Therefore the role of the central stress signal jasmonate for the salt response was analysed in rice comparing the responses to salt stress for two jasmonic acid (JA) biosynthesis rice mutants (cpm2 and hebiba) impaired in the function of ALLENE OXIDE CYCLASE (AOC) and their wild ...

Space matters

Handling Editor: Peter Nick 0 ) University of Karlsruhe , Karlsruhe, Germany - As the other biological disciplines, cell biology has transcended its traditional borders and merged with other

Actin as Deathly Switch? How Auxin Can Suppress Cell-Death Related Defence

Plant innate immunity is composed of two layers – a basal immunity, and a specific effector-triggered immunity, which is often accompanied by hypersensitive cell death. Initiation of cell death depends on a complex network of signalling pathways. The phytohormone auxin as central regulator of plant growth and development represents an important component for the modulation of plant ...

Extend the power of cellular models

Peter Nick Handling Editor: Peter Nick 0 ) Karlsruhe, Germany Model organisms have advanced biology tremendously because they are amenable to genetic analysis and manipulation. However, the power

Life and death under salt stress: same players, different timing?

Salinity does not only stress plants but also challenges human life and the economy by posing severe constraints upon agriculture. To understand salt adaptation strategies of plants, it is central to extend agricultural production to salt-affected soils. Despite high impact and intensive research, it has been difficult to dissect the plant responses to salt stress and to define the ...

Plant cell harakiri—programmed cell death in development

Peter Nick Handling Editor: Peter Nick 0 ) Molecular Cell Biology, Botanical Institute, Karlsruhe Institute of Technology , Kaiserstr. 2, 76128 Karlsruhe, Germany The organisation of a multicellular

The same, but different—a bird's-eye view on mitosis

Peter Nick Handling Editor: Peter Nick 0 ) Botanical Institute, Molecular Cell Biology, Karlsruhe Institute of Technology , Kaiserstrasse 2, 76131 Karlsruhe, Germany - Replicationthe generation of