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The effects of water deficit and high temperature on the production of α‐amylase inhibitor 1 (α‐AI‐1) were studied in transgenic peas ( Pisum sativum L.) that were developed to control the seed‐feeding pea weevil ( Bruchus pisorum L., Coleoptera: Bruchidae). Transgenic and...
The overwintering of trees in northern areas depends on processes regulated by photoperiod and temperature. To identify the physiological and genetic factors involved in this environmental control, three latitudinal ecotypes of pubescent birch ( Betula pubescens Ehrh.) growing in a common garden...
Hydraulic properties (half‐time of water exchange, T ½ , and hydraulic conductivity, Lp ; T ½ ∼ 1/ Lp ) of individual cells in the cortex of young corn roots were measured using a cell pressure probe for up to 6 h to avoid variations between cells. When pulses of turgor pressure of...
Over three billion people are currently micronutrient (i.e. micronutrient elements and vitamins) malnourished, resulting in egregious societal costs including learning disabilities among children, increased morbidity and mortality rates, lower worker productivity, and high healthcare costs, all...
The nature of the peroxidase isoenzyme complement responsible for cell wall lignification in both Zinnia elegans seedlings and Z . elegans tracheary single‐cell cultures have been studied. Results showed that both hypocotyls and stems from lignifying Z . elegans seedlings express a cell...
The Hal3 protein of Saccharomyces cerevisiae inhibits the activity of PPZ1 type‐1 protein phosphatases and functions as a regulator of salt tolerance and cell cycle control. In plants, two HAL3 homologue genes in Arabidopsis thaliana , AtHAL3a and AtHAl3b , have been isolated and the function...
Plants have evolved an array of responses that adapt their growth to conditions of limited phosphate (Pi) supply. These involve biochemical and developmental changes that improve Pi acquisition and recycling, and protect against the stress of Pi starvation. The induction of these responses...
Natural rubber ( cis ‐1,4‐polyisoprene) is an isoprenoid compound produced exclusively in plants by the action of rubber transferase. Despite a keen interest in revealing the mechanisms of rubber chain elongation and chain length determination, the molecular nature of rubber transferase has...
The fluorescent dye Lucifer Yellow (LY) is a well‐known and widely‐used marker for fluid‐phase endocytosis. In this paper, both light and electron microscopy revealed that LY was internalized into transition zone cells of the inner cortex of intact maize root apices. The internalized LY was...
Phototropins (phot1 and phot2) are suggested to be multifunctional blue‐light (BL) receptors mediating phototropism, chloroplast movement, stomatal opening, and leaf expansion. The Arabidpsis phot1 phot2 double mutant lacks all of these responses. To confirm the requirement of phototropins in...
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