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PLANT CELLULAR AND MOLECULAR RESPONSES TO HIGH SALINITY.
TLDR
Evidence for plant stress signaling systems is summarized, some of which have components analogous to those that regulate osmotic stress responses of yeast, some that presumably function in intercellular coordination or regulation of effector genes in a cell-/tissue-specific context required for tolerance of plants.
Adaptations to Environmental Stresses.
TLDR
Investigating plants under stress can learn about the plasticity of metabolic pathways and the limits to their functioning, and questions of an ecological and evolutionary nature need investigation.
Monitoring large-scale changes in transcript abundance in drought- and salt-stressed barley
Responses to drought and salinity in barley (Hordeum vulgare L. cv. Tokak) were monitored by microarray hybridization of 1463 DNA elements derived from cDNA libraries of 6 and 10 h drought-stressed
Gene Expression Profiles during the Initial Phase of Salt Stress in Rice
TLDR
Transcript regulation in response to high salinity was investigated for salt-tolerant rice with microarrays including 1728 cDNAs from libraries of salt-stressed roots and the interpretation of an adaptive process was supported by the similar analysis of salinity-sensitive rice.
Salt Cress. A Halophyte and Cryophyte Arabidopsis Relative Model System and Its Applicability to Molecular Genetic Analyses of Growth and Development of Extremophiles1
TLDR
Several ethyl methanesulfonate mutants of salt cress that have reduced salinity tolerance are isolated, which provide evidence that salt tolerance in this halophyte can be significantly affected by individual genetic loci.
Growth and development of Mesembryanthemum crystallinum (Aizoaceae).
TLDR
The molecular genetics of the ice plant are characterized, emphasizing selected genes and their products and an analysis of the multiple stages of growth as an ecological adaptation to progressive stress.
Root growth maintenance during water deficits: physiology to functional genomics.
TLDR
Characterization of water deficit-induced changes in transcript populations and cell wall protein profiles within the growth zone of the maize primary root is in progress and initial results from EST and unigene analyses in the tips of well-watered and water-stressed roots highlight the strength of the kinematic approach to transcript profiling.
From genome to function: the Arabidopsis aquaporins
TLDR
Preliminary data indicate a strongly transcellular component for the flux of water in roots, and a new NMR approach is introduced for the purpose of analyzing water movement in plant roots in vivo.
Salinity stress-tolerant and -sensitive rice (Oryza sativa L.) regulate AKT1-type potassium channel transcripts differently
TLDR
Transcriptional regulation and cell specificity of OsAKT1 during salt stress was compared in rice lines showing different salinity tolerance, and repression in Pokkali/BK and lack of repression in IR29 correlate with the overall tolerance character of these lines.
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