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Frontiers in Plant Science

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https://www.readbyqxmd.com/read/28220140/nbs-lrr-protein-pik-h4-interacts-with-osbihd1-to-balance-rice-blast-resistance-and-growth-by-coordinating-ethylene-brassinosteroid-pathway
#1
Hao Liu, Shuangyu Dong, Fengwei Gu, Wei Liu, Guili Yang, Ming Huang, Wuming Xiao, Yongzhu Liu, Tao Guo, Hui Wang, Zhiqiang Chen, Jiafeng Wang
The regulation of innate immunity and plant growth, along with the trade-off between them, affects the defense and recovery mechanisms of the plant after it is attacked by pathogens. Although it is known that hormonal crosstalk plays a major role in regulating interaction of plant growth and PAMP-triggered immunity, the relationship between plant growth and effector-triggered immunity (ETI) remains unclear. In a large-scale yeast two-hybrid screening for Pik-H4-interacting proteins, a homeodomain transcription factor OsBIHD1 was identified, which is previously known to function in biotic and abiotic stress responses...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220139/genome-wide-single-nucleotide-polymorphism-discovery-and-the-construction-of-a-high-density-genetic-map-for-melon-cucumis-melo-l-using-genotyping-by-sequencing
#2
Che-Wei Chang, Yu-Hua Wang, Chih-Wei Tung
Although genotyping-by-sequencing (GBS) enables the efficient and low-cost generation of large numbers of markers, the utility of resultant genotypes are limited, because they are enormously error-prone and contain high proportions of missing data. In this study, we generated single nucleotide polymorphism (SNP) markers for 109 recombinant inbred lines of melon (Cucumis melo L.) using the GBS approach and ordered them according to their physical position on the draft double haploid line DHL92 genome. Next, by investigating associations between these SNPs, we discovered that some segments on the physical map conflict with linkage relationships...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220138/de-novo-transcriptome-assembly-of-phomopsis-liquidambari-provides-insights-into-genes-associated-with-different-lifestyles-in-rice-oryza-sativa-l
#3
Jun Zhou, Xin Li, Yan Chen, Chuan-Chao Dai
The mechanisms that trigger the switch from endophytic fungi to saprophytic fungi are largely unexplored. Broad host range Phomopsis liquidambari is established in endophytic and saprophytic systems with rice (Oryza sativa L.). Endophytic P. liquidambari promotes rice growth, increasing rice yield and improving the efficiency of nitrogen fertilizer. This species's saprophytic counterpart can decompose rice litterfall, promoting litter organic matter cycling and the release of nutrients and improving the soil microbial environment...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220137/proteomic-analysis-reveals-the-positive-effect-of-exogenous-spermidine-in-tomato-seedlings-response-to-high-temperature-stress
#4
Qinqin Sang, Xi Shan, Yahong An, Sheng Shu, Jin Sun, Shirong Guo
Polyamines are phytohormones that regulate plant growth and development as well as the response to environmental stresses. To evaluate their functions in high-temperature stress responses, the effects of exogenous spermidine (Spd) were determined in tomato leaves using two-dimensional electrophoresis and MALDI-TOF/TOF MS. A total of 67 differentially expressed proteins were identified in response to high-temperature stress and/or exogenous Spd, which were grouped into different categories according to biological processes...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220136/novel-sources-of-witchweed-striga-resistance-from-wild-sorghum-accessions
#5
Dorothy A Mbuvi, Clet W Masiga, Eric Kuria, Joel Masanga, Mark Wamalwa, Abdallah Mohamed, Damaris A Odeny, Nada Hamza, Michael P Timko, Steven Runo
Sorghum is a major food staple in sub-Saharan Africa (SSA), but its production is constrained by the parasitic plant Striga that attaches to the roots of many cereals crops and causes severe stunting and loss of yield. Away from cultivated farmland, wild sorghum accessions grow as weedy plants and have shown remarkable immunity to Striga. We sought to determine the extent of the resistance to Striga in wild sorghum plants. Our screening strategy involved controlled laboratory assays of rhizotrons, where we artificially infected sorghum with Striga, as well as field experiments at three sites, where we grew sorghum with a natural Striga infestation...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220135/differential-gene-expression-analysis-in-polygonum-minus-leaf-upon-24-h-of-methyl-jasmonate-elicitation
#6
Reyhaneh Rahnamaie-Tajadod, Kok-Keong Loke, Hoe-Han Goh, Normah M Noor
Polygonum minus is an herbal plant that grows in Southeast Asian countries and traditionally used as medicine. This plant produces diverse secondary metabolites such as phenolic compounds and their derivatives, which are known to have roles in plant abiotic and biotic stress responses. Methyl jasmonate (MeJA) is a plant signaling molecule that triggers transcriptional reprogramming in secondary metabolism and activation of defense responses against many biotic and abiotic stresses. However, the effect of MeJA elicitation on the genome-wide expression profile in the leaf tissue of P...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220134/genome-wide-dissection-of-the-heat-shock-transcription-factor-family-genes-in-arachis
#7
Pengfei Wang, Hui Song, Changsheng Li, Pengcheng Li, Aiqin Li, Hongshan Guan, Lei Hou, Xingjun Wang
Heat shock transcription factors (Hsfs) are important transcription factors (TFs) in protecting plants from damages caused by various stresses. The released whole genome sequences of wild peanuts make it possible for genome-wide analysis of Hsfs in peanut. In this study, a total of 16 and 17 Hsf genes were identified from Arachis duranensis and A. ipaensis, respectively. We identified 16 orthologous Hsf gene pairs in both peanut species; however HsfXs was only identified from A. ipaensis. Orthologous pairs between two wild peanut species were highly syntenic...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220133/editorial-protein-crops-food-and-feed-for-the-future
#8
EDITORIAL
Antonio M De Ron, Francesca Sparvoli, José J Pueyo, Didier Bazile
No abstract text is available yet for this article.
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220132/identification-of-marker-trait-associations-for-lint-traits-in-cotton
#9
Muhammad A Iqbal, Mehboob-Ur- Rahman
Harvesting high quality lint, a long-awaited breeding goal-accomplished partly, can be achieved by identifying DNA markers which could be used for diagnosing cotton plants containing the desired traits. In the present studies, a total of 185 cotton genotypes exhibiting diversity for lint traits were selected from a set of 546 genotypes evaluated for fiber traits in 2009. These genotypes were extensively studied for three consecutive years (2011-2013) at three different locations. Significant genetic variations were found for average boll weight, ginning out turn (GOT), micronaire value, staple length, fiber bundle strength, and uniformity index...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220131/plant-stress-responses-and-phenotypic-plasticity-in-the-epigenomics-era-perspectives-on-the-grapevine-scenario-a-model-for-perennial-crop-plants
#10
Ana M Fortes, Philippe Gallusci
Epigenetic marks include Histone Post-Translational Modifications and DNA methylation which are known to participate in the programming of gene expression in plants and animals. These epigenetic marks may be subjected to dynamic changes in response to endogenous and/or external stimuli and can have an impact on phenotypic plasticity. Studying how plant genomes can be epigenetically shaped under stressed conditions has become an essential issue in order to better understand the molecular mechanisms underlying plant stress responses and enabling epigenetic in addition to genetic factors to be considered when breeding crop plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220130/drought-induced-changes-in-growth-osmolyte-accumulation-and-antioxidant-metabolism-of-three-maize-hybrids
#11
Shakeel A Anjum, Umair Ashraf, Mohsin Tanveer, Imran Khan, Saddam Hussain, Babar Shahzad, Ali Zohaib, Farhat Abbas, Muhammad F Saleem, Iftikhar Ali, Long C Wang
Consequences of drought stress in crop production systems are perhaps more deleterious than other abiotic stresses under changing climatic scenarios. Regulations of physio-biochemical responses of plants under drought stress can be used as markers for drought stress tolerance in selection and breeding. The present study was conducted to appraise the performance of three different maize hybrids (Dong Dan 80, Wan Dan 13, and Run Nong 35) under well-watered, low, moderate and SD conditions maintained at 100, 80, 60, and 40% of field capacity, respectively...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220129/no-silver-bullet-canonical-poly-adp-ribose-polymerases-parps-are-no-universal-factors-of-abiotic-and-biotic-stress-resistance-of-arabidopsis-thaliana
#12
Dagmar Rissel, Peter P Heym, Kathrin Thor, Wolfgang Brandt, Ludger A Wessjohann, Edgar Peiter
Abiotic and biotic stress can have a detrimental impact on plant growth and productivity. Hence, there is a substantial demand for key factors of stress responses to improve yield stability of crops. Members of the poly(ADP-ribose)polymerase (PARP) protein family, which post-translationally modify (PARylate) nuclear proteins, have been suggested as such universal determinants of plant stress responses. A role under abiotic stress has been inferred from studies in which a genetic or, more commonly, pharmacological inhibition of PARP activity improved the performance of stressed plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220128/effect-of-leaf-water-potential-on-internal-humidity-and-co2-dissolution-reverse-transpiration-and-improved-water-use-efficiency-under-negative-pressure
#13
Timo Vesala, Sanna Sevanto, Tiia Grönholm, Yann Salmon, Eero Nikinmaa, Pertti Hari, Teemu Hölttä
The pull of water from the soil to the leaves causes water in the transpiration stream to be under negative pressure decreasing the water potential below zero. The osmotic concentration also contributes to the decrease in leaf water potential but with much lesser extent. Thus, the surface tension force is approximately balanced by a force induced by negative water potential resulting in concavely curved water-air interfaces in leaves. The lowered water potential causes a reduction in the equilibrium water vapor pressure in internal (sub-stomatal/intercellular) cavities in relation to that over water with the potential of zero, i...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28220127/nitric-oxide-ameliorates-zinc-oxide-nanoparticles-phytotoxicity-in-wheat-seedlings-implication-of-the-ascorbate-glutathione-cycle
#14
Durgesh K Tripathi, Rohit K Mishra, Swati Singh, Samiksha Singh, Kanchan Vishwakarma, Shivesh Sharma, Vijay P Singh, Prashant K Singh, Sheo M Prasad, Nawal K Dubey, Avinash C Pandey, Shivendra Sahi, Devendra K Chauhan
The present study investigates ameliorative effects of nitric oxide (NO) against zinc oxide nanoparticles (ZnONPs) phytotoxicity in wheat seedlings. ZnONPs exposure hampered growth of wheat seedlings, which coincided with reduced photosynthetic efficiency (Fv/Fm and qP), due to increased accumulation of zinc (Zn) in xylem and phloem saps. However, SNP supplementation partially mitigated the ZnONPs-mediated toxicity through the modulation of photosynthetic activity and Zn accumulation in xylem and phloem saps...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28217138/using-population-and-comparative-genomics-to-understand-the-genetic-basis-of-effector-driven-fungal-pathogen-evolution
#15
REVIEW
Clémence Plissonneau, Juliana Benevenuto, Norfarhan Mohd-Assaad, Simone Fouché, Fanny E Hartmann, Daniel Croll
Epidemics caused by fungal plant pathogens pose a major threat to agro-ecosystems and impact global food security. High-throughput sequencing enabled major advances in understanding how pathogens cause disease on crops. Hundreds of fungal genomes are now available and analyzing these genomes highlighted the key role of effector genes in disease. Effectors are small secreted proteins that enhance infection by manipulating host metabolism. Fungal genomes carry 100s of putative effector genes, but the lack of homology among effector genes, even for closely related species, challenges evolutionary and functional analyses...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28217137/reshaping-plant-biology-qualitative-and-quantitative-descriptors-for-plant-morphology
#16
REVIEW
Mathilde Balduzzi, Brad M Binder, Alexander Bucksch, Cynthia Chang, Lilan Hong, Anjali S Iyer-Pascuzzi, Christophe Pradal, Erin E Sparks
An emerging challenge in plant biology is to develop qualitative and quantitative measures to describe the appearance of plants through the integration of mathematics and biology. A major hurdle in developing these metrics is finding common terminology across fields. In this review, we define approaches for analyzing plant geometry, topology, and shape, and provide examples for how these terms have been and can be applied to plants. In leaf morphological quantifications both geometry and shape have been used to gain insight into leaf function and evolution...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28217136/differential-cadmium-distribution-and-translocation-in-roots-and-shoots-related-to-hyper-tolerance-between-tall-fescue-and-kentucky-bluegrass
#17
Qin Dong, PeiXian Xu, ZhaoLong Wang
Phytoremediation efficiency mainly depends upon mechanisms in the uptake and translocation of soil contaminants. Cadmium (Cd) distribution and translocation in roots and shoots of tall fescue (Festuca arundinacea) and Kentucky bluegrass (Poa pratensis) were observed using fluorescence spectroscopy with a laser confocal scanning microscope. No difference in root Cd accumulations was detected between these two turfgrass species. Kentucky bluegrass transported more Cd into the stele for root-to-shoot translocation and resulted in significantly higher Cd concentration in leaves...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28217135/tps46-a-rice-terpene-synthase-conferring-natural-resistance-to-bird-cherry-oat-aphid-rhopalosiphum-padi-linnaeus
#18
Yang Sun, Xinzheng Huang, Yuese Ning, Weixia Jing, Toby J A Bruce, Fangjun Qi, Qixia Xu, Kongming Wu, Yongjun Zhang, Yuyuan Guo
Plant terpene synthases (TPSs) are key enzymes responsible for terpene biosynthesis, and can play important roles in defense against herbivore attack. In rice, the protein sequence of TPS46 was most closely related to maize TPS10. However, unlike maize tps10, tps46 was also constitutively expressed in rice even in the absence of herbivore attack. Potential roles or constitutive emissions of specific volatiles may due to the constitutive expressions of tps46 in rice. Therefore, in the present study, RNA interference (Ri) and overexpression (Oe) rice lines were generated to investigate the potential function of TPS46 in Oryza sativa sp...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28217134/proteasome-activity-profiling-uncovers-alteration-of-catalytic-%C3%AE-2-and-%C3%AE-5-subunits-of-the-stress-induced-proteasome-during-salinity-stress-in-tomato-roots
#19
Judit Kovács, Péter Poór, Farnusch Kaschani, Balakumaran Chandrasekar, Tram N Hong, Johana C Misas-Villamil, Bo T Xin, Markus Kaiser, Herman S Overkleeft, Irma Tari, Renier A L van der Hoorn
The stress proteasome in the animal kingdom facilitates faster conversion of oxidized proteins during stress conditions by incorporating different catalytic β subunits. Plants deal with similar kind of stresses and also carry multiple paralogous genes encoding for each of the three catalytic β subunits. Here, we investigated the existence of stress proteasomes upon abiotic stress (salt stress) in tomato roots. In contrast to Arabidopsis thaliana, tomato has a simplified proteasome gene set with single genes encoding each β subunit except for two genes encoding β2...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28217133/a-perspective-on-crn-proteins-in-the-genomics-age-evolution-classification-delivery-and-function-revisited
#20
REVIEW
Tiago M M M Amaro, Gaëtan J A Thilliez, Graham B Motion, Edgar Huitema
Plant associated microbes rely on secreted virulence factors (effectors) to modulate host immunity and ensure progressive infection. Amongst the secreted protein repertoires defined and studied in pathogens to date, the CRNs (for CRinkling and Necrosis) have emerged as one of only a few highly conserved protein families, spread across several kingdoms. CRN proteins were first identified in plant pathogenic oomycetes where they were found to be modular factors that are secreted and translocated inside host cells by means of a conserved N-terminal domain...
2017: Frontiers in Plant Science
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