نتایج جستجو برای: abiotic factors

تعداد نتایج: 1089815  

Journal: :Current opinion in plant biology 2006
Miki Fujita Yasunari Fujita Yoshiteru Noutoshi Fuminori Takahashi Yoshihiro Narusaka Kazuko Yamaguchi-Shinozaki Kazuo Shinozaki

Plants have evolved a wide range of mechanisms to cope with biotic and abiotic stresses. To date, the molecular mechanisms that are involved in each stress has been revealed comparatively independently, and so our understanding of convergence points between biotic and abiotic stress signaling pathways remain rudimentary. However, recent studies have revealed several molecules, including transcr...

Journal: :Current opinion in plant biology 2006
Hans J Bohnert Qingqiu Gong Pinghua Li Shisong Ma

Homeostasis, a set-value for metabolism under optimal conditions, is rarely achieved by plants because of the cost exerted by external stress factors: climatic, biotic, and nutrient imbalances. Among these, stresses caused by abiotic conditions, such as temperature extremes (freezing, cold and heat), water availability (drought and ion excess) and ion toxicity (salinity and heavy metals), have ...

Journal: :Plant physiology 2005
Nobuhiro Suzuki Ludmila Rizhsky Hongjian Liang Joel Shuman Vladimir Shulaev Ron Mittler

Abiotic stresses cause extensive losses to agricultural production worldwide. Acclimation of plants to abiotic conditions such as drought, salinity, or heat is mediated by a complex network of transcription factors and other regulatory genes that control multiple defense enzymes, proteins, and pathways. Associated with the activity of different transcription factors are transcriptional coactiva...

Journal: :Omics : a journal of integrative biology 2011
Ana Paula Santos Tânia Serra Duarte D Figueiredo Pedro Barros Tiago Lourenço Subhash Chander Maria Margarida Oliveira Nelson J M Saibo

Plant growth and crop production are highly reduced by adverse environmental conditions and rice is particularly sensitive to abiotic stresses. Plants have developed a number of different mechanisms to respond and try to adapt to abiotic stress. Plant response to stress such as drought, cold, and high salinity, implies rapid and coordinated changes at transcriptional level of entire gene networ...

2013
Di-Di Chai Su-Juan Guo Xiao-Bing Sun Tian-Tian Qin

Ectomycorrhizal fungi are important for plants growth which can enhance their resistance to drought, diseases, infertility and so on in the forest ecosystem, so researches on Ectomycorrhizal fungi are of necessity and great significance. As the basis for Ectomycorrhizal fungi research, the Ectomycorrhizal fungi diversity is attributed to many factors which can be divided to two parts in this re...

2016
Hui Li Wei Huang Zhi-Wei Liu Yong-Xin Wang Jing Zhuang

Tea plant (Camellia sinensis (L.) O. Kuntze) is affected by abiotic stress during its growth and development. DNA-binding with one finger (Dof) transcription factors (TFs) play important roles in abiotic stress tolerance of plants. In this study, a total of 29 putative Dof TFs were identified based on transcriptome of tea plant, and the conserved domains and common motifs of these CsDof TFs wer...

2012
Nita Lakra Kamlesh K. Nutan Sneh L. Singla-Pareek Ashwani Pareek

Plants, being sessile, are strongly influenced by abiotic stress such as high salt, drought, high temperature and freezing. These factors cause metabolic toxicity, membrane disorganization, closure of stomata, decreased photosynthetic activity, generation of reactive oxygen species (ROS) and altered nutrient acquisition. In order to meet the increasing demands for plant-based agricultural commo...

2016
Amelia S. Wenger James Whinney Brett Taylor Frederieke Kroon

Coral reefs are increasingly subjected to both local and global stressors, however, there is limited information on how reef organisms respond to their combined effects under natural conditions. This field study examined the growth response of the damselfish Neopomacentrus bankieri to the individual and combined effects of multiple abiotic factors. Turbidity, temperature, tidal movement, and wa...

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