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Sulfur (S) is an essential macronutrient for plants, and defiiency in soil S availability limits plant growth. Adaptive strategies have been evolved by plants to respond to S defiiency by coordinating...
Medicago truncatula Gaertn is a model legume species with a wide genetic diversity. To evaluate the responses of the two M. truncatula ecotypes, the effect of Fe deficiency on ecotype A17 and ecotype ...
The performance of herbivorous insects is greatly affected by plant nutritional quality and resistance, which are likely to be altered by rising concentrations of atmospheric CO2.We previously repor...
Background: Calcium-binding proteins that contain EF-hand motifs have been reported to play important roles in transduction of signals associated with biotic and abiotic stresses. To functionally char...
To understand the role of small GTPases in response to abiotic stress, we isolated a gene encoding a small GTPase, designated MfARL1, from a subtracted cDNA library in Medicago falcata, a native legum...
The HD-Zip proteins are important transcription factors participating in numerous physiological processes in plants. In this study, we identified a homeobox-leucine zipper gene from Medicago truncatul...
Ethylene is one ofthe classical plant hormones with a diverse function in plant growth and development. Root elongation is sensitive to ethylene such that treatments with ethylene and the ethylene pre...
MicroRNAs (miRNAs) play important roles in response of plants to biotic and abiotic stresses. Aluminum (Al) toxicity is a major factor limiting plant growth in acidic soils. However, there has been li...
Backg round: MicroRNAs (miRNAs) are small, endogenous RNAs that play important regulatory roles in development and stress response in plants by negatively affecting gene expression post-transcriptiona...
Medicago falcata is a legume species that exhibits great capacity of tolerance to abiotic stresses. To elucidate the mechanism underlying tolerance of M. Falcata to freezing, we compared the character...
Plants have developed numerous strategies to cope with phosphorus (P) deficiency resulting from low availability in soils. Evolution of ethylene and up-regulation of root secreted acid phosphatase act...
Plants grown in phosphorus-deficient solutions often exhibit disruption of water transport due to reduction in root hydraulic conductivity (Lpr) and enhanced ethylene production. To uncover the relati...
Alfalfa (Medicago sativa L) is a high-quality forage for ruminants and the main stem is the dominant morphological component contributing to the forage nutritive value in mature alfalfa forage. Sheari...
共生固氮根瘤的形成是根瘤菌和宿主植物相互作用的结果. 根瘤菌和宿主植物产生的众多信号分子控制着宿主植物为根瘤发育和维持根瘤功能所必需的基因, 使这些基因在根瘤发育过程中有序地表达. 为识别这些基因, 本研究比较了紫花苜蓿根瘤和根的cDNA扩增片段长度多态性(cDNA-amplified fragment length polymorphism, cDNA-AFLP). 在约3000余个cDNA片段...

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