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BMC Plant Biology

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https://www.readbyqxmd.com/read/29320985/chlorophyll-fluorescence-analysis-revealed-essential-roles-of-ftsh11-protease-in-regulation-of-the-adaptive-responses-of-photosynthetic-systems-to-high-temperature
#1
Junping Chen, John J Burke, Zhanguo Xin
BACKGROUND: Photosynthetic systems are known to be sensitive to high temperature stress. To maintain a relatively "normal" level of photosynthetic activities, plants employ a variety of adaptive mechanisms in response to environmental temperature fluctuations. Previously, we reported that the chloroplast-targeted AtFtsH11 protease played an essential role for Arabidopsis plants to survive at high temperatures and to maintain normal photosynthetic efficiency at moderately elevated temperature...
January 10, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29316882/transcriptomic-analyses-reveal-molecular-mechanisms-underlying-growth-heterosis-and-weakness-of-rubber-tree-seedlings
#2
Hong Yang, Xuncheng Wang, Yongxuan Wei, Zhi Deng, Hui Liu, Jiangshu Chen, Longjun Dai, Zhihui Xia, Guangming He, Dejun Li
BACKGROUND: Breeding rubber tree seedling with growth heterosis is vital for natural rubber production. It is the prerequisites for effectively utilizing growth heterosis to elucidate its molecular mechanisms, but the molecular mechanisms remain poorly understood in rubber tree. To elucidate seedling growth heterosis, we conducted comparative transcriptomic analyses between the two hybrids and their parents. RESULTS: By identifying and comparing differently expressed genes (DEGs), we found that the hybrids (BT 3410 and WC 11) show significantly differential expression profiles from their parents (PR 107 and RRIM 600)...
January 9, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29310584/long-branch-chains-of-amylopectin-with-b-type-crystallinity-in-rice-seed-with-inhibition-of-starch-branching-enzyme-i-and-iib-resist-in-situ-degradation-and-inhibit-plant-growth-during-seedling-development-degradation-of-rice-starch-with-inhibition-of-sbei
#3
Ting Pan, Lingshang Lin, Juan Wang, Qiaoquan Liu, Cunxu Wei
BACKGROUND: Endosperm starch provides prime energy for cereal seedling growth. Cereal endosperm with repression of starch branching enzyme (SBE) has been widely studied for its high resistant starch content and health benefit. However, in barley and maize, the repression of SBE changes starch component and amylopectin structure which affects grain germination and seedling establishment. A high resistant starch rice line (TRS) has been developed through inhibiting SBEI/IIb, and its starch has very high resistance to in vitro hydrolysis and digestion...
January 8, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29304738/chemical-hybridizing-agent-sq-1-induced-male-sterility-in-triticum-aestivum-l-a-comparative-analysis-of-the-anther-proteome
#4
Hongzhan Liu, Gaisheng Zhang, Junsheng Wang, Jingjing Li, Yulong Song, Lin Qiao, Na Niu, Junwei Wang, Shoucai Ma, Lili Li
BACKGROUND: Heterosis is widely used to increase the yield of many crops. However, as wheat is a self-pollinating crop, hybrid breeding is not so successful in this organism. Even though male sterility induced by chemical hybridizing agents is an important aspect of crossbreeding, the mechanisms by which these agents induce male sterility in wheat is not well understood. RESULTS: We performed proteomic analyses using the wheat Triticum aestivum L.to identify those proteins involved in physiological male sterility (PHYMS) induced by the chemical hybridizing agent CHA SQ-1...
January 5, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29304730/genomic-abundance-and-transcriptional-activity-of-diverse-gypsy-and-copia-long-terminal-repeat-retrotransposons-in-three-wild-sunflower-species
#5
Fan Qiu, Mark C Ungerer
BACKGROUND: Long terminal repeat (LTR) retrotransposons are highly abundant in plant genomes and require transcriptional activity for their proliferative mode of replication. These sequences exist in plant genomes as diverse sublineages within the main element superfamilies (i.e., gypsy and copia). While transcriptional activity of these elements is increasingly recognized as a regular attribute of plant transcriptomes, it is currently unknown the extent to which different sublineages of these elements are transcriptionally active both within and across species...
January 5, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29304728/transcript-profiling-of-sucrose-synthase-genes-involved-in-sucrose-metabolism-among-four-carrot-daucus-carota-l-cultivars-reveals-distinct-patterns
#6
Yan-Jun Liu, Guang-Long Wang, Jing Ma, Zhi-Sheng Xu, Feng Wang, Ai-Sheng Xiong
BACKGROUND: Carrot which contains lots of nutrients has a large demand around the world. The soluble sugar content in fleshy root of carrot directly influences its taste and quality. Sucrose, as an important member of soluble sugar, is the main product of photosynthesis in higher plants and it plays pivotal roles in physiological processes including energy supply, signal transduction, transcriptional regulation, starch and cellulose synthesis, and stress tolerance. Sucrose synthase is a key enzyme involved in sucrose metabolism and is closely related to sucrose content...
January 5, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29301488/the-comparison-of-alternative-splicing-among-the-multiple-tissues-in-cucumber
#7
Ying Sun, Han Hou, Hongtao Song, Kui Lin, Zhonghua Zhang, Jinglu Hu, Erli Pang
BACKGROUND: Alternative splicing (AS) is an important post-transcriptional process. It has been suggested that most AS events are subject to tissue-specific regulation. However, the global dynamics of AS in different tissues are poorly explored. RESULTS: To analyse global changes in AS in multiple tissues, we identified the AS events and constructed a comprehensive catalogue of AS events within each tissue based on the genome-wide RNA-seq reads from ten tissues in cucumber...
January 5, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29301510/exogenous-short-term-silicon-application-regulates-macro-nutrients-endogenous-phytohormones-and-protein-expression-in-oryza-sativa-l
#8
Soo-Won Jang, Yoonha Kim, Abdul Latif Khan, Chae-In Na, In-Jung Lee
BACKGROUND: Silicon (Si) has been known to regulate plant growth; however, the underlying mechanisms of short-term exogenous Si application on the regulation of calcium (Ca) and nitrogen (N), endogenous phytohormones, and expression of essential proteins have been little understood. RESULTS: Exogenous Si application significantly increased Si content as compared to the control. Among Si treatments, 1.0 mM Si application showed increased phosphorus content as compared to other Si treatments (0...
January 4, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29298675/root-lodging-is-a-physical-stress-that-changes-gene-expression-from-sucrose-accumulation-to-degradation-in-sorghum
#9
Hiroshi Mizuno, Shigemitsu Kasuga, Hiroyuki Kawahigashi
BACKGROUND: Sorghum (Sorghum bicolor L.) is used as a raw material for biofuels because it accumulates sugars at high levels in the stem. Lodging of sorghum occurs when the soil is wet and very high winds blow across the field. In root lodging, the roots are pulled loose from the soil, causing the plant to fall over. Lodging reduces the yield of nonstructural carbohydrates. It is not yet clear which genes show changes in expression when sorghum falls over. We compared whole-gene expression in the mature stems of intact and lodged sorghum plants, with a focus on comparisons from the perspective of differences in sugar accumulation or degradation...
January 3, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29298668/functional-characterization-of-chitin-binding-lectin-from-solanum-integrifolium-containing-anti-fungal-and-insecticidal-activities
#10
Chang-Shan Chen, Chun-Yi Chen, Divya Malathy Ravinath, Agustina Bungahot, Chi-Ping Cheng, Ren-In You
BACKGROUND: Along with the rapid development of glycomic tools, the study of lectin-carbohydrate interactions has expanded, opening the way for applications in the fields of analytic, diagnostic, and drug delivery. Chitin-binding lectins (CBLs) play roles in immune defense against chitin-containing pathogens. CBLs from species of the Solanaceae family, such as tomato, potato and jimsonweed, display different binding specificities to sugar chains containing poly-N-acetyllactosamine. RESULTS: In this report, CBLs from Solanum integrifolium were isolated by ion exchange chromatography...
January 3, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29291729/insights-into-the-molecular-regulation-of-monolignol-derived-product-biosynthesis-in-the-growing-hemp-hypocotyl
#11
Marc Behr, Kjell Sergeant, Céline C Leclercq, Sébastien Planchon, Cédric Guignard, Audrey Lenouvel, Jenny Renaut, Jean-Francois Hausman, Stanley Lutts, Gea Guerriero
BACKGROUND: Lignin and lignans are both derived from the monolignol pathway. Despite the similarity of their building blocks, they fulfil different functions in planta. Lignin strengthens the tissues of the plant, while lignans are involved in plant defence and growth regulation. Their biosyntheses are tuned both spatially and temporally to suit the development of the plant (water conduction, reaction to stresses). We propose to study the general molecular events related to monolignol-derived product biosynthesis, especially lignin...
January 2, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29284401/mapping-and-screening-of-the-tomato-stemphylium-lycopersici-resistance-gene-sm-based-on-bulked-segregant-analysis-in-combination-with-genome-resequencing
#12
Huanhuan Yang, Tingting Zhao, Jingbin Jiang, Songbo Wang, Aoxue Wang, Jingfu Li, Xiangyang Xu
BACKGROUND: Tomato gray leaf spot disease caused by Stemphylium lycopersici (S. lycopersici) is considered one of the major diseases of cultivated tomatoes. The only S. lycopersici resistance gene, Sm, was derived from the wild tomato species S. pimpinellifolium. Sm has been identified as an effective source of gray leaf spot resistance in tomatoes and has been mapped to tomato chromosome 11. In this study, the first bulked segregant analysis (BSA) combined with genome resequencing for the mapping and screening of the Sm candidate gene was performed...
December 29, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29297348/comparative-analysis-of-inverted-repeats-of-polypod-fern-polypodiales-plastomes-reveals-two-hypervariable-regions
#13
Maria D Logacheva, Anastasiya A Krinitsina, Maxim S Belenikin, Kamil Khafizov, Evgenii A Konorov, Sergey V Kuptsov, Anna S Speranskaya
BACKGROUND: Ferns are large and underexplored group of vascular plants (~ 11 thousands species). The genomic data available by now include low coverage nuclear genomes sequences and partial sequences of mitochondrial genomes for six species and several plastid genomes. RESULTS: We characterized plastid genomes of three species of Dryopteris, which is one of the largest fern genera, using sequencing of chloroplast DNA enriched samples and performed comparative analysis with available plastomes of Polypodiales, the most species-rich group of ferns...
December 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29297347/differential-gene-expression-in-response-to-fusarium-oxysporum-infection-in-resistant-and-susceptible-genotypes-of-flax-linum-usitatissimum-l
#14
Alexey A Dmitriev, George S Krasnov, Tatiana A Rozhmina, Roman O Novakovskiy, Anastasiya V Snezhkina, Maria S Fedorova, Olga Yu Yurkevich, Olga V Muravenko, Nadezhda L Bolsheva, Anna V Kudryavtseva, Nataliya V Melnikova
BACKGROUND: Flax (Linum usitatissimum L.) is a crop plant used for fiber and oil production. Although potentially high-yielding flax varieties have been developed, environmental stresses markedly decrease flax production. Among biotic stresses, Fusarium oxysporum f. sp. lini is recognized as one of the most devastating flax pathogens. It causes wilt disease that is one of the major limiting factors for flax production worldwide. Breeding and cultivation of flax varieties resistant to F...
December 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29297332/taxonomic-assessment-of-allium-species-from-kazakhstan-based-on-its-and-matk-markers
#15
Saule Abugalieva, Lyubov Volkova, Yuliya Genievskaya, Anna Ivaschenko, Yuri Kotukhov, Gulzhahan Sakauova, Yerlan Turuspekov
BACKGROUND: As part of nation-wide project to infer the genetic variation of the native flora in Kazakhstan, a study was attempted to assess phylogenetic relationships of endemic and rare Allium species. In total, 20 Allium species were collected in field trips in five different regions of Kazakhstan during 2015-2016. Most species (9) were collected in the southern part of the country along of Karatau mountains, followed by Altai mountains (5) in eastern Kazakhstan. The ITS and matK DNA regions were applied in order to assess the taxonomic relationships among species...
December 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29297331/plant-biology-at-belyaev-conference-2017
#16
EDITORIAL
Yuriy L Orlov, Ancha V Baranova, Ming Chen, Elena A Salina
No abstract text is available yet for this article.
December 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29297329/potential-of-selected-fungal-species-to-degrade-wheat-straw-the-most-abundant-plant-raw-material-in-europe
#17
Jasmina Ćilerdžić, Milica Galić, Jelena Vukojević, Ilija Brčeski, Mirjana Stajić
BACKGROUND: Structural component of plant biomass, lignocellulose, is the most abundant renewable resource in nature. Lignin is the most recalcitrant natural aromatic polymer and its degradation presents great challenge. Nowadays, the special attention is given to biological delignification, the process where white-rot fungi take the crucial place owing to strong ligninolytic enzyme system. However, fungal species, even strains, differ in potential to produce high active ligninolytic enzymes and consequently to delignify plant biomass...
December 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29297328/genes-wheat-frizzy-panicle-and-sham-ramification-2-independently-regulate-differentiation-of-floral-meristems-in-wheat
#18
Oxana B Dobrovolskaya, Yumiko Amagai, Karina I Popova, Alina E Dresvyannikova, Petr Martinek, Alexander A Krasnikov, Nobuyoshi Watanabe
BACKGROUND: Inflorescences of wheat species, spikes, are characteristically unbranched and bear one sessile spikelet at a spike rachis node. Development of supernumerary spikelets (SSs) at rachis nodes or on the extended rachillas is abnormal. Various wheat morphotypes with altered spike morphology, associated with the development of SSs, present an important genetic resource for studies on genetic regulation of wheat inflorescence development. RESULTS: Here we characterized diploid and tetraploid wheat lines of various non-standard spike morphotypes, which allowed for identification of a new mutant allele of the WHEAT FRIZZY PANICLE (WFZP) gene that determines spike branching in diploid wheat Ttiticum monococcum L...
December 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29297327/the-factors-affecting-the-evolution-of-the-anthocyanin-biosynthesis-pathway-genes-in-monocot-and-dicot-plant-species
#19
Olesya Yu Shoeva, Anastasiya Yu Glagoleva, Elena K Khlestkina
BACKGROUND: The available data demonstrate that even in universal metabolic pathways, some species-specific regulatory features of structural genes are present. For instance, in the anthocyanin biosynthesis pathway (ABP), genes may be regulated by ABP-specific regulatory factors, and their expression levels may be strongly associated with anthocyanin pigmentation, or they may be expressed independently of pigmentation. A dataset of orthologous ABP genes (Chs, Chi, F3h, F3'h, Dfr, Ans) from monocot and dicot plant species that have distinct gene regulation patterns and different types of pollination was constructed to test whether these factors affect the evolution of the genes...
December 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29297326/advantages-of-amplifluor-like-snp-markers-over-kasp-in-plant-genotyping
#20
Satyvaldy Jatayev, Akhylbek Kurishbayev, Lyudmila Zotova, Gulmira Khasanova, Dauren Serikbay, Askar Zhubatkanov, Makpal Botayeva, Aibek Zhumalin, Arysgul Turbekova, Kathleen Soole, Peter Langridge, Yuri Shavrukov
BACKGROUND: KASP (KBioscience Competitive Allele Specific PCR) and Amplifluor (Amplification with fluorescence) SNP markers are two prominent technologies based upon a shared identical Allele-specific PCR platform. METHODS: Amplifluor-like SNP and KASP analysis was carried out using published and own design of Universal probes (UPs) and Gene-specific primers (GSPs). RESULTS: Advantages of the Amplifluor-like system over KASP include the significantly lower costs and much greater flexibility in the adjustment and development of 'self-designed' dual fluorescently-labelled UPs and regular GSPs...
December 28, 2017: BMC Plant Biology
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