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https://www.readbyqxmd.com/read/27933379/the-role-of-receptor-like-protein-kinases-rlks-in-abiotic-stress-response-in-plants
#1
REVIEW
Yaoyao Ye, Yanfei Ding, Qiong Jiang, Feijuan Wang, Junwei Sun, Cheng Zhu
We review and introduce recent studies on RLK s involved in the abiotic stress response and provide insights into potential regulatory mechanisms for alleviating abiotic stress. Abiotic stresses are important factors affecting plant growth and development, resulting in crop production reduction and even plant death. To survive, plants utilize different mechanisms to respond and adapt to continuously changing environmental factors. Understanding of the molecular mechanisms of plant response to various stresses will aid in improving tolerance of plants to abiotic stress through genetic engineering, which would greatly promote the development of modern agriculture...
December 8, 2016: Plant Cell Reports
https://www.readbyqxmd.com/read/27933319/a-metabolic-widget-adjusts-the-phosphoenolpyruvate-dependent-fructose-influx-in-pseudomonas-putida
#2
Max Chavarría, Ángel Goñi-Moreno, Víctor de Lorenzo, Pablo I Nikel
Fructose uptake in the soil bacterium Pseudomonas putida occurs through a canonical phosphoenolpyruvate (PEP)-dependent sugar transport system (PTS(Fru)). The logic of the genetic circuit that rules its functioning is puzzling: the transcription of the fruBKA operon, encoding all the components of PTS(Fru), can escape the repression exerted by the catabolite repressor/activator protein Cra solely in the presence of intracellular fructose-1-P, an agonist formed only when fructose has been already transported...
November 2016: MSystems
https://www.readbyqxmd.com/read/27933261/efficient-regeneration-system-from-rye-leaf-base-segments
#3
Kamil Haliloglu, Murat Aydin
Rye is second only to wheat among grains most widely used in the making of bread and is also a very important gene resource for breeding and improvement of wheat and other cereal crops owing to tolerance to abiotic stress factors such as low temperatures, drought and poor soil conditions. However, application of biotechnologies has been limited in rye breeding since it is one of the most recalcitrant species in tissue culture. A simple and fast regeneration system from leaf-base segment explant of rye was developed in this study...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27933086/genotypic-differences-in-phosphorus-efficiency-and-the-performance-of-physiological-characteristics-in-response-to-low-phosphorus-stress-of-soybean-in-southwest-of-china
#4
Tao Zhou, Yongli Du, Shoaib Ahmed, Ting Liu, Menglu Ren, Weiguo Liu, Wenyu Yang
Southwest of China is one of the major soybean (Glycine max L.) production regions in China with low availability of soil phosphorus (P). Whereas little information is available on P-efficient soybean genotypes in this region, even though using P-efficient soybean genotypes is a sustainable P management strategy for enhancing yield and P use efficiency. To assess the genetic variation on P use efficiency, 274 soybean genotypes were employed to compare the yields and P acquisition potentials in the field. Additionally, 10 representational genotypes (5 P-efficient genotypes and 5 P-inefficient genotypes) were grown in hydroponic media containing low P treatment (0...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27933075/a-non-specific-setaria-italica-lipid-transfer-protein-gene-plays-a-critical-role-under-abiotic-stress
#5
Yanlin Pan, Jianrui Li, Licong Jiao, Cong Li, Dengyun Zhu, Jingjuan Yu
Lipid transfer proteins (LTPs) are a class of cysteine-rich soluble proteins having small molecular weights. LTPs participate in flower and seed development, cuticular wax deposition, also play important roles in pathogen and abiotic stress responses. A non-specific LTP gene (SiLTP) was isolated from a foxtail millet (Setaria italica) suppression subtractive hybridization library enriched for differentially expressed genes after abiotic stress treatments. A semi-quantitative reverse transcriptase PCR analysis showed that SiLTP was expressed in all foxtail millet tissues...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27933072/development-and-evaluation-of-chromosome-segment-substitution-lines-carrying-overlapping-chromosome-segments-of-the-whole-wild-rice-genome
#6
Dewei Yang, Xinfu Ye, Xianghua Zheng, Chaoping Cheng, Ning Ye, Fenghuang Huang
Common wild rice (Oryza rufipogon Griff.) represents an important resource for rice improvement. Genetic populations provide the basis for a wide range of genetic and genomic studies. In particular, chromosome segment substitution lines (CSSLs) are most powerful tools for the detection and precise mapping of quantitative trait loci (QTLs). In this study, 146 CSSLs were produced; they were derived from the crossing and back-crossing of two rice cultivars: Dongnanihui 810 (Oryza sativa L.), an indica rice cultivar as the recipient, and ZhangPu wild rice, a wild rice cultivar as the donor...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27932477/moss-produced-glycosylation-optimized-human-factor-h-for-therapeutic-application-in-complement-disorders
#7
Stefan Michelfelder, Juliana Parsons, Lennard L Bohlender, Sebastian N W Hoernstein, Holger Niederkrüger, Andreas Busch, Nicola Krieghoff, Jonas Koch, Benjamin Fode, Andreas Schaaf, Thomas Frischmuth, Martin Pohl, Peter F Zipfel, Ralf Reski, Eva L Decker, Karsten Häffner
Genetic defects in complement regulatory proteins can lead to severe renal diseases, including atypical hemolytic uremic syndrome and C3 glomerulopathies, and age-related macular degeneration. The majority of the mutations found in patients with these diseases affect the glycoprotein complement factor H, the main regulator of the alternative pathway of complement activation. Therapeutic options are limited, and novel treatments, specifically those targeting alternative pathway activation, are highly desirable...
December 8, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27931186/transcriptome-profiling-reveals-differential-gene-expression-of-detoxification-enzymes-in-a-hemimetabolous-tobacco-pest-after-feeding-on-jasmonate-silenced-nicotiana-attenuata-plants
#8
Cristina M Crava, Christoph Brütting, Ian T Baldwin
BACKGROUND: The evolutionary arms race between plants and insects has driven the co-evolution of sophisticated defense mechanisms used by plants to deter herbivores and equally sophisticated strategies that enable phytophagous insects to rapidly detoxify the plant's defense metabolites. In this study, we identify the genetic determinants that enable the mirid, Tupiocoris notatus, to feed on its well-defended host plant, Nicotiana attenuata, an outstanding model for plant-insect interaction studies...
December 8, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27930707/native-phytoremediation-potential-of-urtica-dioica-for-removal-of-pcbs-and-heavy-metals-can-be-improved-by-genetic-manipulations-using-constitutive-camv-35s-promoter
#9
Jitka Viktorova, Zuzana Jandova, Michaela Madlenakova, Petra Prouzova, Vilem Bartunek, Blanka Vrchotova, Petra Lovecka, Lucie Musilova, Tomas Macek
Although stinging nettle (Urtica dioica) has been shown to reduce HM (heavy metal) content in soil, its wider phytoremediation potential has been neglected. Urtica dioica was cultivated in soils contaminated with HMs or polychlorinated biphenyls (PCBs). After four months, up to 33% of the less chlorinated biphenyls and 8% of HMs (Zn, Pb, Cd) had been removed. Bacteria were isolated from the plant tissue, with the endophytic bacteria Bacillus shackletonii and Streptomyces badius shown to have the most significant effect...
2016: PloS One
https://www.readbyqxmd.com/read/27930296/receptor-kinase-complex-transmits-ralf-peptide-signal-to-inhibit-root-growth-in-arabidopsis
#10
Changqing Du, Xiushan Li, Jia Chen, Weijun Chen, Bin Li, Chiyu Li, Long Wang, Jianglin Li, Xiaoying Zhao, Jianzhong Lin, Xuanming Liu, Sheng Luan, Feng Yu
A number of hormones work together to control plant cell growth. Rapid Alkalinization Factor 1 (RALF1), a plant-derived small regulatory peptide, inhibits cell elongation through suppression of rhizosphere acidification in plants. Although a receptor-like kinase, FERONIA (FER), has been shown to act as a receptor for RALF1, the signaling mechanism remains unknown. In this study, we identified a receptor-like cytoplasmic kinase (RPM1-induced protein kinase, RIPK), a plasma membrane-associated member of the RLCK-VII subfamily, that is recruited to the receptor complex through interacting with FER in response to RALF1...
December 5, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27929436/comparison-of-small-rna-profiles-of-glycine-max-and-glycine-soja-at-early-developmental-stages
#11
Yuzhe Sun, Zeta Mui, Xuan Liu, Aldrin Kay-Yuen Yim, Hao Qin, Fuk-Ling Wong, Ting-Fung Chan, Siu-Ming Yiu, Hon-Ming Lam, Boon Leong Lim
Small RNAs, including microRNAs (miRNAs) and phased small interfering RNAs (phasiRNAs; from PHAS loci), play key roles in plant development. Cultivated soybean, Glycine max, contributes a great deal to food production, but, compared to its wild kin, Glycine soja, it may lose some genetic information during domestication. In this work, we analyzed the sRNA profiles of different tissues in both cultivated (C08) and wild soybeans (W05) at three stages of development. A total of 443 known miRNAs and 15 novel miRNAs showed varying abundances between different samples, but the miRNA profiles were generally similar in both accessions...
December 6, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27929054/in-silico-identification-of-snp-diversity-in-cultivated-and-wild-tomato-species-insight-from-molecular-simulations
#12
Archana Bhardwaj, Yogeshwar Vikram Dhar, Mehar Hasan Asif, Sumit K Bag
Single Nucleotide Polymorphisms (SNPs), an important source of genetic variations, are often used in crop improvement programme. The present study represented comprehensive In silico analysis of nucleotide polymorphisms in wild (Solanum habrochaites) and cultivated (Solanum lycopersicum) species of tomato to explore the consequence of substitutions both at sequence and structure level. A total of 8978 SNPs having Ts/Tv (Transition/Transversion) ratio 1.75 were identified from the Expressed Sequence Tag (EST) and Next Generation Sequence (NGS) data of both the species available in public databases...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27929044/salt-tolerance-during-germination-and-seedling-growth-of-wild-wheat-aegilops-tauschii-and-its-impact-on-the-species-range-expansion
#13
Daisuke Saisho, Shigeo Takumi, Yoshihiro Matsuoka
Adaptation to edaphic stress may have a key role in plant species range expansion. Aegilops tauschii Coss., the common wheat's D-genome progenitor native to the Transcaucasus-Middle East region, is a good model to study the relationships between soil salinity and plant distributions: one of its intraspecific sublineages, TauL1b, drove the long-distance eastward expansion of this species range reaching semi-arid-central Asia. Salt tolerance during germination and seedling growth was evaluated in 206 Ae. tauschii accessions by treating seeds with NaCl solutions differing in concentrations...
December 8, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27928041/biodiversity-as-a-multidimensional-construct-a-review-framework-and-case-study-of-herbivory-s-impact-on-plant-biodiversity
#14
S Naeem, Case Prager, Brian Weeks, Alex Varga, Dan F B Flynn, Kevin Griffin, Robert Muscarella, Matthew Palmer, Stephen Wood, William Schuster
Biodiversity is inherently multidimensional, encompassing taxonomic, functional, phylogenetic, genetic, landscape and many other elements of variability of life on the Earth. However, this fundamental principle of multidimensionality is rarely applied in research aimed at understanding biodiversity's value to ecosystem functions and the services they provide. This oversight means that our current understanding of the ecological and environmental consequences of biodiversity loss is limited primarily to what unidimensional studies have revealed...
December 14, 2016: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/27927999/elevated-temperature-drives-a-shift-from-selfing-to-outcrossing-in-the-insect-pollinated-legume-faba-bean-vicia-faba
#15
Jacob Bishop, Hannah E Jones, Donal M O'Sullivan, Simon G Potts
Climate change can threaten the reproductive success of plants, both directly, through physiological damage during increasingly extreme weather events, and indirectly, through disruption of plant-pollinator interactions. To explore how plant-pollinator interactions are modified by extreme weather, we exposed faba bean (Vicia faba) plants to elevated temperature for 5 d during flowering, simulating a heatwave. We then moved the plants to flight cages with either bumblebees or no pollinators, or to two field sites, where plants were enclosed in mesh bags or pollinated by wild insect communities...
December 7, 2016: Journal of Experimental Botany
https://www.readbyqxmd.com/read/27927898/the-full-breadth-of-mendel-s-genetics
#16
Peter J van Dijk, T H Noel Ellis
Gregor Mendel's "Experiments on Plant Hybrids" (1865/1866), published 150 years ago, is without doubt one of the most brilliant works in biology. Curiously, Mendel's later studies on Hieracium (hawkweed) are usually seen as a frustrating failure, because it is assumed that they were intended to confirm the segregation ratios he found in Pisum Had this been his intention, such a confirmation would have failed, since, unknown to Mendel, Hieracium species mostly reproduce by means of clonal seeds (apomixis). Here we show that this assumption arises from a misunderstanding that could be explained by a missing page in Mendel's first letter to Carl Nägeli...
December 2016: Genetics
https://www.readbyqxmd.com/read/27927181/genome-wide-identification-phylogeny-and-expression-analysis-of-pectin-methylesterases-reveal-their-major-role-in-cotton-fiber-development
#17
Weijie Li, Haihong Shang, Qun Ge, Changsong Zou, Juan Cai, Daojie Wang, Senmiao Fan, Zhen Zhang, Xiaoying Deng, Yunna Tan, Weiwu Song, Pengtao Li, Palanga Kibalou Koffi, Muhammad Jamshed, Quanwei Lu, Wankui Gong, Junwen Li, Yuzhen Shi, Tingting Chen, Juwu Gong, Aiying Liu, Youlu Yuan
BACKGROUND: Pectin methylesterase (PME, EC 3.1.1.11) is a hydrolytic enzyme that utilizes pectin as substrates, and plays a significant role in regulating pectin reconstruction thereby regulating plant growth. Pectin is one of the important components of the plant cell wall, which forms the main structural material of cotton fiber. In this research, cotton genome information was used to identify PMEs. RESULTS: We identified 80 (GaPME01-GaPME80) PME genes from diploid G...
December 7, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27926860/l-met-activates-arabidopsis-glr-ca-2-channels-upstream-of-ros-production-and-regulates-stomatal-movement
#18
Dongdong Kong, Heng-Cheng Hu, Eiji Okuma, Yuree Lee, Hui Sun Lee, Shintaro Munemasa, Daeshik Cho, Chuanli Ju, Leah Pedoeim, Barbara Rodriguez, Juan Wang, Wonpil Im, Yoshiyuki Murata, Zhen-Ming Pei, June M Kwak
Plant glutamate receptor homologs (GLRs) have long been proposed to function as ligand-gated Ca(2+) channels, but no in planta evidence has been provided. Here, we present genetic evidence that Arabidopsis GLR3.1 and GLR3.5 form Ca(2+) channels activated by L-methionine (L-Met) at physiological concentrations and regulate stomatal apertures and plant growth. The glr3.1/3.5 mutations resulted in a lower cytosolic Ca(2+) level, defective Ca(2+)-induced stomatal closure, and Ca(2+)-deficient growth disorder, all of which involved L-Met...
December 6, 2016: Cell Reports
https://www.readbyqxmd.com/read/27925396/arabidopsis-sumo-protease-asp1-positively-regulates-flowering-time-partially-through-regulating-flc-stability
#19
Xiangxiong Kong, Xi Luo, Gao-Ping Qu, Peng Liu, Jing Bo Jin
The initiation of flowering is tightly regulated by the endogenous and environment signals, which is crucial for the reproductive success of flowering plants. It is well known that autonomous and vernalization pathways repress transcription of FLOWERING LOCUS C (FLC), a focal floral repressor, but how its protein stability is regulated remains largely unknown. Here, we found that mutations in a novel Arabidopsis SUMO protease 1 (ASP1) resulted in a strong late-flowering phenotype under long-days, but to a lesser extent under short-days...
December 7, 2016: Journal of Integrative Plant Biology
https://www.readbyqxmd.com/read/27925216/light-regulation-of-alternative-pre-mrna-splicing-in-plants
#20
Hangxiao Zhang, Chentao Lin, Lianfeng Gu
Alternative splicing (AS) is a major post-transcriptional mechanism to enhance the diversity of proteome in response to environmental signals. Among the numerous external signals perceived by plants, light is the most crucial one. Plants utilize complex photoreceptor signaling networks to sense different light conditions and adjust their growth and development accordingly. Although light-mediated gene expression has been widely investigated, little is known regarding the mechanism of light affecting AS to modulate mRNA at the post-transcriptional level...
December 7, 2016: Photochemistry and Photobiology
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