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Frontiers in Plant Science

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https://www.readbyqxmd.com/read/28446922/corrigendum-building-a-genetic-manipulation-tool-box-for-orchid-biology-identification-of-constitutive-promoters-and-application-of-crispr-cas9-in-the-orchid-dendrobium-officinale
#1
Ling Kui, Haitao Chen, Weixiong Zhang, Simei He, Zijun Xiong, Yesheng Zhang, Liang Yan, Chaofang Zhong, Fengmei He, Junwen Chen, Peng Zeng, Guanghui Zhang, Shengchao Yang, Yang Dong, Wen Wang, Jing Cai
[This corrects the article on p. 2036 in vol. 7, PMID: 28127299.].
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446921/roles-of-nuclear-pores-and-nucleo-cytoplasmic-trafficking-in-plant-stress-responses
#2
REVIEW
Yu Yang, Wei Wang, Zhaoqing Chu, Jian-Kang Zhu, Huiming Zhang
The nuclear pore complex (NPC) is a large protein complex that controls the exchange of components between the nucleus and the cytoplasm. In plants, the NPC family components play critical roles not only in essential growth and developmental processes, but also in plant responses to various environmental stress conditions. The involvement of NPC components in plant stress responses is mainly attributed to different mechanisms including control of mRNA/protein nucleo-cytoplasmic trafficking and transcriptional gene regulation...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446920/two-highly-similar-poplar-paleo-subgenomes-suggest-an-autotetraploid-ancestor-of-salicaceae-plants
#3
Yinzhe Liu, Jinpeng Wang, Weina Ge, Zhenyi Wang, Yuxian Li, Nanshan Yang, Sangrong Sun, Liwei Zhang, Xiyin Wang
As a model plant to study perennial trees in the Salicaceae family, the poplar (Populus trichocarpa) genome was sequenced, revealing recurrent paleo-polyploidizations during its evolution. A comparative and hierarchical alignment of its genome to a well-selected reference genome would help us better understand poplar's genome structure and gene family evolution. Here, by adopting the relatively simpler grape (Vitis vinifera) genome as reference, and by inferring both intra- and inter-genomic gene collinearity, we produced a united alignment of these two genomes and hierarchically distinguished the layers of paralogous and orthologous genes, as related to recursive polyploidizations and speciation...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446919/high-nitrogen-supply-induces-physiological-responsiveness-to-long-photoperiod-in-barley
#4
Jian Zeng, Huajin Sheng, Yang Liu, Yao Wang, Yi Wang, Houyang Kang, Xing Fan, Lina Sha, Shu Yuan, Yonghong Zhou
Photoperiod and nutrient nitrogen (N) supply influence the growth, development, and productivity of crops. This study examined the physiological, biochemical, and morpho-anatomical traits of NA5 and NA9, two barley cultivars with contrasting photoperiod lengths, under the combined treatment of photoperiod regime and N supply. Under long photoperiod, high N supply decreased net photosynthesis; decreased chlorophyll a and chlorophyll a/b; decreased ascorbate peroxidase (APX), catalase (CAT), and superoxide dismutase (SOD) activities; decreased ascorbate, glutathione, soluble protein, and soluble sugar; destroyed mesophyll cell integrity; and increased [Formula: see text], malondialdehyde, and proline in both NA5 and NA9...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446918/microrna-and-transcription-factor-key-players-in-plant-regulatory-network
#5
REVIEW
Abdul F A Samad, Muhammad Sajad, Nazaruddin Nazaruddin, Izzat A Fauzi, Abdul M A Murad, Zamri Zainal, Ismanizan Ismail
Recent achievements in plant microRNA (miRNA), a large class of small and non-coding RNAs, are very exciting. A wide array of techniques involving forward genetic, molecular cloning, bioinformatic analysis, and the latest technology, deep sequencing have greatly advanced miRNA discovery. A tiny miRNA sequence has the ability to target single/multiple mRNA targets. Most of the miRNA targets are transcription factors (TFs) which have paramount importance in regulating the plant growth and development. Various families of TFs, which have regulated a range of regulatory networks, may assist plants to grow under normal and stress environmental conditions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446917/shoot-the-message-not-the-messenger-combating-pathogenic-virulence-in-plants-by-inhibiting-quorum-sensing-mediated-signaling-molecules
#6
REVIEW
Ganesh Alagarasan, Kumar S Aswathy
Immunity, virulence, biofilm formation, and survival in the host environment are regulated by the versatile nature of density dependent microbial cell signaling, also called quorum sensing (QS). The QS molecules can associate with host plant tissues and, at times, cause a change in its gene expression at the downstream level through inter-kingdom cross talking. Progress in controlling QS through fungicide/bactericide in pathogenic microscopic organisms has lead to a rise of antibiotic resistance pathogens. Here, we review the application of selective quorum quenching (QQ) endophytes to control phytopathogens that are shared by most, if not all, terrestrial plant species as well as aquatic plants...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446916/oil-accumulation-in-transgenic-potato-tubers-alters-starch-quality-and-nutritional-profile
#7
Madeline Mitchell, Jenifer Pritchard, Shoko Okada, Oscar Larroque, Dina Yulia, Filomena Pettolino, Nicolas Szydlowski, Surinder Singh, Qing Liu, Jean-Philippe Ral
Plant storage compounds such as starch and lipids are important for human and animal nutrition as well as industry. There is interest in diverting some of the carbon stored in starch-rich organs (leaves, tubers, and cereal grains) into lipids in order to improve the energy density or nutritional properties of crops as well as providing new sources of feedstocks for food and manufacturing. Previously, we generated transgenic potato plants that accumulate up to 3.3% triacylglycerol (TAG) by dry weight in the tubers, which also led to changes in starch content, starch granule morphology and soluble sugar content...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446915/pruning-system-and-foliar-application-of-mgso-4-alter-yield-and-secondary-metabolite-profile-of-rosa-damascena-under-rainfed-acidic-conditions
#8
Probir K Pal, Mitali Mahajan
Damask rose (Rosa damascena Mill.) is one of the most high-value essential oil-bearing plants in the world. However, the flower yield and quality of essential oil of R. damascena are largely influenced by the pruning practices and balanced supply of plant nutrition. The objective of this study was to test the hypothesis whether the pruning system and foliar fertilization of MgSO4 would influence the flower yield, growth and secondary metabolites profile of R. damascena. A field experiment of 10 treatment combinations comprising two pruning systems (complete and partial) and five levels of MgSO4 (water spray, MgSO4 @ 5...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446914/constructing-integrated-networks-for-identifying-new-secondary-metabolic-pathway-regulators-in-grapevine-recent-applications-and-future-opportunities
#9
Darren C J Wong, José Tomás Matus
Representing large biological data as networks is becoming increasingly adopted for predicting gene function while elucidating the multifaceted organization of life processes. In grapevine (Vitis vinifera L.), network analyses have been mostly adopted to contribute to the understanding of the regulatory mechanisms that control berry composition. Whereas, some studies have used gene co-expression networks to find common pathways and putative targets for transcription factors related to development and metabolism, others have defined networks of primary and secondary metabolites for characterizing the main metabolic differences between cultivars throughout fruit ripening...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446913/de-novo-transcriptome-analysis-of-miscanthus-lutarioriparius-identifies-candidate-genes-in-rhizome-development
#10
Ruibo Hu, Changjiang Yu, Xiaoyu Wang, Chunlin Jia, Shengqiang Pei, Kang He, Guo He, Yingzhen Kong, Gongke Zhou
HIGHLIGHTDe novo transcriptome profiling of five tissues reveals candidate genes putatively involved in rhizome development in M. lutarioriparius. Miscanthus lutarioriparius is a promising lignocellulosic feedstock for second-generation bioethanol production. However, the genomic resource for this species is relatively limited thus hampers our understanding of the molecular mechanisms underlying many important biological processes. In this study, we performed the first de novo transcriptome analysis of five tissues (leaf, stem, root, lateral bud and rhizome bud) of M...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28446912/temporal-and-spatial-variability-of-fungal-structures-and-host-responses-in-an-incompatible-rust-wheat-interaction
#11
Chris K Sørensen, Rodrigo Labouriau, Mogens S Hovmøller
Information about temporal and spatial variability of fungal structures and host responses is scarce in comparison to the vast amount of genetic, biochemical, and physiological studies of host-pathogen interactions. In this study, we used avirulent wild type and virulent mutant isolates of Puccinia striiformis to characterize the interactions in wheat carrying yellow rust Yr2 resistance. Both conventional and advanced microscopic techniques were used for a detailed study of morphology and growth of fungal colonies and associated host cell responses...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28443130/modular-design-of-picroside-ii-biosynthesis-deciphered-through-ngs-transcriptomes-and-metabolic-intermediates-analysis-in-naturally-variant-chemotypes-of-a-medicinal-herb-picrorhiza-kurroa
#12
Varun Kumar, Ankush Bansal, Rajinder S Chauhan
Picroside-II (P-II), an iridoid glycoside, is used as an active ingredient of various commercial herbal formulations available for the treatment of liver ailments. Despite this, the knowledge of P-II biosynthesis remains scarce owing to its negligence in Picrorhiza kurroa shoots which sets constant barrier for function validation experiments. In this study, we utilized natural variation for P-II content in stolon tissues of different P. kurroa accessions and deciphered its metabolic route by integrating metabolomics of intermediates with differential NGS transcriptomes...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28443129/maximum-plant-uptakes-for-water-nutrients-and-oxygen-are-not-always-met-by-irrigation-rate-and-distribution-in-water-based-cultivation-systems
#13
Chris Blok, Brian E Jackson, Xianfeng Guo, Pieter H B de Visser, Leo F M Marcelis
Growing on rooting media other than soils in situ -i.e., substrate-based growing- allows for higher yields than soil-based growing as transport rates of water, nutrients, and oxygen in substrate surpass those in soil. Possibly water-based growing allows for even higher yields as transport rates of water and nutrients in water surpass those in substrate, even though the transport of oxygen may be more complex. Transport rates can only limit growth when they are below a rate corresponding to maximum plant uptake...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28443128/physiological-and-molecular-characterization-of-hydroxyphenylpyruvate-dioxygenase-hppd-inhibitor-resistance-in-palmer-amaranth-amaranthus-palmeri-s-wats
#14
Sridevi Nakka, Amar S Godar, Prashant S Wani, Curtis R Thompson, Dallas E Peterson, Jeroen Roelofs, Mithila Jugulam
Herbicides that inhibit hydroxyphenylpyruvate dioxygenase (HPPD) such as mesotrione are widely used to control a broad spectrum of weeds in agriculture. Amaranthus palmeri is an economically troublesome weed throughout the United States. The first case of evolution of resistance to HPPD-inhibiting herbicides in A. palmeri was documented in Kansas (KS) and later in Nebraska (NE). The objective of this study was to investigate the mechansim of HPPD-inhibitor (mesotrione) resistance in A. palmeri. Dose response analysis revealed that this population (KSR) was 10-18 times more resistant than their sensitive counterparts (MSS or KSS)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28443127/transcriptome-analysis-of-a-female-sterile-mutant-fsm-in-chinese-cabbage-brassica-campestris-ssp-pekinensis
#15
Shengnan Huang, Zhiyong Liu, Chengyu Li, Runpeng Yao, Danyang Li, Li Hou, Xiang Li, Wenjie Liu, Hui Feng
Female-sterile mutants are ideal materials for studying pistil development in plants. Here, we identified a female-sterile mutant fsm in Chinese cabbage. This mutant, which exhibited stable inheritance, was derived from Chinese cabbage DH line 'FT' using a combination of isolated microspore culture and ethyl methanesulfonate mutagenesis. Compared with the wild-type line 'FT,' the fsm plants exhibited pistil abortion, and floral organs were also relatively smaller. Genetic analysis indicated that the phenotype of fsm is controlled by a single recessive nuclear gene...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28443126/genome-wide-identification-characterization-and-expression-analysis-of-pht1-phosphate-transporters-in-wheat
#16
Wan Teng, Yan-Yan Zhao, Xue-Qiang Zhao, Xue He, Wen-Ying Ma, Yan Deng, Xin-Ping Chen, Yi-Ping Tong
The PHT1 family of phosphate (Pi) transporters mediates phosphorus (P) uptake and re-mobilization in plants. A genome-wide sequence analysis of PHT1 genes in wheat (Triticum aestivum) was conducted, and their expression locations and responses to P availability were further investigated. We cloned 21 TaPHT1 genes from the homologous alleles at TaPHT1.1 to 1.10 through screening a BAC library and amplifying genomic sequences. The TaPHT1 transporters were clustered into five branches in the phylogenetic tree of PHT1 proteins, and the TaPHT1 genes from a given branch shared high similarities in sequences, expression locations, and responses to P availability...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28443125/viral-vectors-for-plant-genome-engineering
#17
REVIEW
Syed Shan-E-Ali Zaidi, Shahid Mansoor
Recent advances in genome engineering (GE) has made it possible to precisely alter DNA sequences in plant cells, providing specifically engineered plants with traits of interest. Gene targeting efficiency depends on the delivery-method of both sequence-specific nucleases and repair templates, to plant cells. Typically, this is achieved using Agrobacterium mediated transformation or particle bombardment, both of which transform only a subset of cells in treated tissues. The alternate in planta approaches, stably integrating nuclease-encoding cassettes and repair templates into the plant genome, are time consuming, expensive and require extra regulations...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28443124/fine-mapping-of-a-resistance-gene-rpshn-that-controls-phytophthora-sojae-using-recombinant-inbred-lines-and-secondary-populations
#18
Jingping Niu, Na Guo, Jutao Sun, Lihong Li, Yongce Cao, Shuguang Li, Jianli Huang, Jinming Zhao, Tuanjie Zhao, Han Xing
Phytophthora root rot (PRR), caused by Phytophthora sojae, has negative effects on soybean yield in China and can be controlled by identifying germplasm resources with resistance genes. In this study, the resistance locus RpsHN in the soybean line Meng8206 was mapped using two mapping populations. Initial mapping was realized using two recombinant inbred line (RIL) populations and included 103 F6:8 RILs derived from a cross of Meng8206 × Linhedafenqing, including 2600 bin markers, and 130 F6:8 RILs derived from a cross of Meng8206 × Zhengyang148, including 2267 bin markers...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28443123/firmness-at-harvest-impacts-postharvest-fruit-softening-and-internal-browning-development-in-mechanically-damaged-and-non-damaged-highbush-blueberries-vaccinium-corymbosum-l
#19
Claudia Moggia, Jordi Graell, Isabel Lara, Guillermina González, Gustavo A Lobos
Fresh blueberries are very susceptible to mechanical damage, which limits postharvest life and firmness. Softening and susceptibility of cultivars "Duke" and "Brigitta" to developing internal browning (IB) after mechanical impact and subsequent storage was evaluated during a 2-year study (2011/2012, 2012/2013). On each season fruit were carefully hand-picked, segregated into soft (<1.60 N), medium (1.61-1.80 N), and firm (1.81-2.00 N) categories, and then either were dropped (32 cm) onto a hard plastic surface or remained non-dropped...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28443122/membrane-proteomics-of-arabidopsis-glucosinolate-mutants-cyp79b2-b3-and-myb28-29
#20
Islam Mostafa, Mi-Jeong Yoo, Ning Zhu, Sisi Geng, Craig Dufresne, Maged Abou-Hashem, Maher El-Domiaty, Sixue Chen
Glucosinolates (Gls) constitute a major group of natural metabolites represented by three major classes (aliphatic, indolic and aromatic) of more than 120 chemical structures. In our previous work, soluble proteins and metabolites in Arabidopsis mutants deficient of aliphatic (myb28/29) and indolic Gls (cyp79B2B3) were analyzed. Here we focus on investigating the changes at the level of membrane proteins in these mutants. Our LC/MS-MS analyses of tandem mass tag (TMT) labeled peptides derived from the cyp79B2/B3 and myb28/29 relative to wild type resulted in the identification of 4,673 proteins, from which 2,171 are membrane proteins...
2017: Frontiers in Plant Science
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