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Plant Physiological Phenomena (3)
Articles on Plant Physiological Phenomena
Host plant induced variation in gut bacteria of Helicoverpa armigera.
We report the bacterial community structure in the midgut of fifth instar larvae of Helicoverpa armigera, a species prevalent in the India, China, South Asia, South East Asia, Southern & Eastern Africa and Australia. Using culturable techniques, we isolated and identified members of Bacillus firmus,...
Salicylic acid mediates the reduced growth of lignin down-regulated plants.
Our data place SA as a central component in growth signaling pathways that either sense flux into the monolignol pathway or respond to secondary cell-wall integrity, and indicate that it is possible to engineer plants with highly reduced cell-wall recalcitrance without negatively impacting growth....
A eulogy to Adam Kondorosi.
Importance versus intensity of ecological effects: why context matters.
We argue that extending this formalised concept of importance to other aspects of ecology would be beneficial. We discuss approaches for measuring importance, and provide examples where explicit acknowledgement of this simple concept might promote understanding and resolve debate....
[The analysis of the causes of variability of the relationship between leaf dry mass and area in plants].
The lamina dry mass: area ratio (LMA - Leaf Mass per Area) is a quite variable trait. Leaf dry mass consists of symplast mass (a set of all leaf protoplasts) and apoplast mass (a set of all cell walls in a leaf). The ratio between symplast and apoplast masses is positively related to...
[Plant P-type ATPases].
P-type ATPases are a superfamily of membrane proteins involved in many physiological processes that are fundamental for all living organisms. Using ATP, they can transport a variety of ions and other substances across all types of cell membranes against a concentration electrochemica...
Network news: prime time for systems biology of the plant circadian clock
We have entered an era of systems modeling, experimental testing, and refinement. This approach, coupled with advances from the genetic and biochemical analyses of clock function, is accelerating our progress towards a comprehensive understanding of the plant circadian clock network....
Control of salicylic acid synthesis and systemic acquired resistance by two members of a plant-specific family of transcription factors.
We report that both SAR Deficient 1 (SARD1) and CBP60g are key regulators for ICS1 induction and SA synthesis. Whereas knocking out SARD1 compromises basal resistance and SAR, overexpression of SARD1 constitutively activates defense responses. In the sard1-1 cbp60g-1 double mutant, pathogen-induced...
MicroRNAs with macro-effects on plant stress responses
Being sessile organisms, plants often have to face challenges posed by environmental stresses. To minimize the cellular damage caused by stress, plants have evolved highly complex but well-coordinated adaptive responses operating at the transcriptional, post-transcriptional, translat...
Symbiosis has long been associated with saltational evolutionary change in contradistinction to gradual Darwinian evolution based on gene mutations and recombination between individuals of a species, as well as with super-organismal views of the individual in contrast to the classical one-genome: on...