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Frontiers in Plant Science

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https://www.readbyqxmd.com/read/29143825/corrigendum-transcriptome-analysis-of-maize-immature-embryos-reveals-the-roles-of-cysteine-in-improving-agrobacterium-infection-efficiency
#1
Yan Liu, Zhiqiang Zhang, Junjie Fu, Guoying Wang, Jianhua Wang, Yunjun Liu
[This corrects the article on p. 1778 in vol. 8, PMID: 29089955.].
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29142535/corrigendum-2-overexpression-of-rice-glutaredoxin-osgrx_c7-and-osgrx_c2-1-reduces-intracellular-arsenic-accumulation-and-increases-tolerance-in-arabidopsis-thaliana
#2
Pankaj K Verma, Shikha Verma, Veena Pande, Shekhar Mallick, Rudra Deo Tripathi, Om P Dhankher, Debasis Chakrabarty
[This corrects the article on p. 740 in vol. 7, PMID: 27313586.].
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29123541/rice-seed-germination-underwater-morpho-physiological-responses-and-the-bases-of-differential-expression-of-alcoholic-fermentation-enzymes
#3
Berta Miro, Toshisangba Longkumer, Frederickson D Entila, Ajay Kohli, Abdelbagi M Ismail
The water-, energy-, and labor-intensive system of transplanted puddled rice (Oryza sativa) is steadily being replaced by direct seeding due to the progressive scarcity of these resources. However, the alternate dry direct seeding leads to competition with weeds and poor establishment when soils are flooded. Direct seeded rice capable of anaerobic germination (germination in flooded soil, AG) is ideal, which under rainfed ecosystems would also overcome waterlogging during germination. AG tolerance is associated with faster germination and faster elongation of coleoptiles, with the activities of alcoholic fermentation enzymes replacing aerobic respiration as a source of energy...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29123540/divergence-and-conservative-evolution-of-xtnx-genes-in-land-plants
#4
Yan-Mei Zhang, Jia-Yu Xue, Li-Wei Liu, Xiao-Qin Sun, Guang-Can Zhou, Min Chen, Zhu-Qing Shao, Yue-Yu Hang
The Toll-interleukin-1 receptor (TIR) and Nucleotide-binding site (NBS) domains are two major components of the TIR-NBS-leucine-rich repeat family plant disease resistance genes. Extensive functional and evolutionary studies have been performed on these genes; however, the characterization of a small group of genes that are composed of atypical TIR and NBS domains, namely XTNX genes, is limited. The present study investigated this specific gene family by conducting genome-wide analyses of 59 green plant genomes...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29123539/the-ap2-erf-transcription-factor-drnl-modulates-gynoecium-development-and-affects-its-response-to-cytokinin
#5
Yolanda Durán-Medina, Joanna Serwatowska, J Irepan Reyes-Olalde, Stefan de Folter, Nayelli Marsch-Martínez
The gynoecium is the female reproductive system in flowering plants. It is a complex structure formed by different tissues, some that are essential for reproduction and others that facilitate the fertilization process and nurture and protect the developing seeds. The coordinated development of these different tissues during the formation of the gynoecium is important for reproductive success. Both hormones and genetic regulators guide the development of the different tissues. Auxin and cytokinin in particular have been found to play important roles in this process...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29123538/sex-specific-response-to-stress-in-populus
#6
REVIEW
Nataliya V Melnikova, Elena V Borkhert, Anastasiya V Snezhkina, Anna V Kudryavtseva, Alexey A Dmitriev
Populus is an effective model for genetic studies in trees. The genus Populus includes dioecious species, and the differences exhibited in males and females have been intensively studied. This review focused on the distinctions between male and female poplar and aspen plants under stress conditions, such as drought, salinity, heavy metals, and nutrient deficiency on morphological, physiological, proteome, and gene expression levels. In most studies, males of Populus species were more adaptive to the majority of the stress conditions and showed less damage, better growth, and higher photosynthetic capacity and antioxidant activity than that of the females...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29123537/association-mapping-of-ferrous-zinc-and-aluminum-tolerance-at-the-seedling-stage-in-indica-rice-using-magic-populations
#7
Lijun Meng, Baoxiang Wang, Xiangqian Zhao, Kimberly Ponce, Qian Qian, Guoyou Ye
Excessive amounts of metal are toxic and severely affect plant growth and development. Understanding the genetic control of metal tolerance is crucial to improve rice resistance to Fe, Zn, and Al toxicity. The multi-parent advanced generation inter-cross (MAGIC) populations were genotyped using a 55 K rice SNP array and screened at the seedling stage for Fe, Zn, and Al toxicity using a hydroponics system. Association analysis was conducted by implementing a mixed linear model (MLM) for each of the five MAGIC populations double cross DC1 (founders were SAGC-08, HHZ5-SAL9-Y3-Y1, BP1976B-2-3-7-TB-1-1, PR33282-B-8-1-1-1-1-1), double cross DC2 (founders of double cross were FFZ1, CT 16658-5-2-2SR-2-3-6MP, IR 68, IR 02A127), eight parents population 8way (founders were SAGC-08, HHZ5-SAL9-Y3-Y1, BP1976B-2-3-7-TB-1-1, PR33282-B-8-1-1-1-1-1, FFZ1, CT 16658-5-2-2SR-2-3-6MP, IR 68, IR 02A127), DC12 (DC1+DC2) and rice multi-parent recombinant inbred line population RMPRIL (DC1+DC2+8way)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29123536/response-of-summer-maize-photosynthate-accumulation-and-distribution-to-shading-stress-assessed-by-using-13-co2-stable-isotope-tracer-in-the-field
#8
Jia Gao, Bin Zhao, Shuting Dong, Peng Liu, Baizhao Ren, Jiwang Zhang
Maize is one of the most important crops globally that provides food, feed, and bioenergy. However, shading stress threatens maize production. In this study, we investigated the effects of shading on photosynthate accumulation and distribution of summer maize in the field. Zhengdan958 (ZD958) and Denghai 605 (DH605) were used as experimental materials in a field experiment running from 2013 to 2015. Shading treatments were applied over different growth stages: from the tassel stage (VT) to physiological maturity (R6) (S1), from the six-leaf stage (V6) to VT (S2), and from emergence stage (VE) to R6 (S3)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29123535/trait-and-marker-associations-in-oryza-nivara-and-o-rufipogon-derived-rice-lines-under-two-different-heat-stress-conditions
#9
V Vishnu Prasanth, M Suchandranath Babu, Ramana K Basava, V G N Tripura Venkata, Satendra K Mangrauthia, S R Voleti, Sarla Neelamraju
Wild species and derived introgression lines (ILs) are a good source of genes for improving complex traits such as heat tolerance. The effect of heat stress on 18 yield traits was studied in four treatments in two seasons, under field conditions by subjecting 37 ILs and recurrent parents Swarna and KMR3, N22 mutants, and wild type and 2 improved rice cultivars to heat stress using polycover house method in wet season and late sowing method in dry season. Normal grown unstressed plants were controls. Both correlation and path coefficient analysis showed that the major contributing traits for high yield per plant (YPP) under heat stress conditions were tiller number, secondary branches in panicle, filled grain number, and percent spikelet fertility...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29123534/viral-diagnostics-in-plants-using-next-generation-sequencing-computational-analysis-in-practice
#10
REVIEW
Susan Jones, Amanda Baizan-Edge, Stuart MacFarlane, Lesley Torrance
Viruses cause significant yield and quality losses in a wide variety of cultivated crops. Hence, the detection and identification of viruses is a crucial facet of successful crop production and of great significance in terms of world food security. Whilst the adoption of molecular techniques such as RT-PCR has increased the speed and accuracy of viral diagnostics, such techniques only allow the detection of known viruses, i.e., each test is specific to one or a small number of related viruses. Therefore, unknown viruses can be missed and testing can be slow and expensive if molecular tests are unavailable...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29123533/identifying-developmental-zones-in-maize-lateral-root-cell-length-profiles-using-multiple-change-point-models
#11
Beatriz Moreno-Ortega, Guillaume Fort, Bertrand Muller, Yann Guédon
The identification of the limits between the cell division, elongation and mature zones in the root apex is still a matter of controversy when methods based on cellular features, molecular markers or kinematics are compared while methods based on cell length profiles have been comparatively underexplored. Segmentation models were developed to identify developmental zones within a root apex on the basis of epidermal cell length profiles. Heteroscedastic piecewise linear models were estimated for maize lateral roots of various lengths of both wild type and two mutants affected in auxin signaling (rtcs and rum-1)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29123532/food-legumes-and-rising-temperatures-effects-adaptive-functional-mechanisms-specific-to-reproductive-growth-stage-and-strategies-to-improve-heat-tolerance
#12
REVIEW
Kumari Sita, Akanksha Sehgal, Bindumadhava HanumanthaRao, Ramakrishnan M Nair, P V Vara Prasad, Shiv Kumar, Pooran M Gaur, Muhammad Farooq, Kadambot H M Siddique, Rajeev K Varshney, Harsh Nayyar
Ambient temperatures are predicted to rise in the future owing to several reasons associated with global climate changes. These temperature increases can result in heat stress- a severe threat to crop production in most countries. Legumes are well-known for their impact on agricultural sustainability as well as their nutritional and health benefits. Heat stress imposes challenges for legume crops and has deleterious effects on the morphology, physiology, and reproductive growth of plants. High-temperature stress at the time of the reproductive stage is becoming a severe limitation for production of grain legumes as their cultivation expands to warmer environments and temperature variability increases due to climate change...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29118781/belowground-plant-herbivore-interactions-vary-among-climate-driven-range-expanding-plant-species-with-different-degrees-of-novel-chemistry
#13
Rutger A Wilschut, Julio C P Silva, Paolina Garbeva, Wim H van der Putten
An increasing number of studies report plant range expansions to higher latitudes and altitudes in response to global warming. However, consequences for interactions with other species in the novel ranges are poorly understood. Here, we examine how range-expanding plant species interact with root-feeding nematodes from the new range. Root-feeding nematodes are ubiquitous belowground herbivores that may impact the structure and composition of natural vegetation. Because of their ecological novelty, we hypothesized that range-expanding plant species will be less suitable hosts for root-feeding nematodes than native congeneric plant species...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29118780/editorial-role-of-silicon-in-plants
#14
EDITORIAL
Rupesh K Deshmukh, Jian F Ma, Richard R Bélanger
No abstract text is available yet for this article.
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29118779/development-of-chloroplast-genomic-resources-for-oryza-species-discrimination
#15
Yun Song, Yan Chen, Jizhou Lv, Jin Xu, Shuifang Zhu, MingFu Li, Naizhong Chen
Rice is the most important crop in the world as the staple food for over half of the population. The wild species of Oryza represent an enormous gene pool for genetic improvement of rice cultivars. Accurate and rapid identification of these species is critical for effective utilization of the wild rice germplasm. In this study, we developed valuable chloroplast molecular markers by comparing the chloroplast genomes for species identification. Four chloroplast genomes of Oryza were newly sequenced on the Illumina HiSeq platform and other 14 Oryza species chloroplast genomes from Genbank were simultaneously taken into consideration for comparative analyses...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29118778/advanced-backcross-qtl-analysis-of-fiber-strength-and-fineness-in-a-cross-between-gossypium-hirsutum-and-g-mustelinum
#16
Baohua Wang, Zhimin Zhuang, Zhengsheng Zhang, Xavier Draye, Lan-Shuan Shuang, Tariq Shehzad, Edward L Lubbers, Don Jones, O Lloyd May, Andrew H Paterson, Peng W Chee
The molecular genetic basis of cotton fiber strength and fineness in crosses between Gossypium mustelinum and Gossypium hirsutum (Upland cotton) was dissected using 21 BC3F2 and 12 corresponding BC3F2:3 and BC3F2:4 families. The BC3F2 families were genotyped with simple sequence repeat markers from a G. hirsutum by G. mustelinum linkage map, and the three generations of BC3-derived families were phenotyped for fiber strength (STR) and fineness (Micronaire, MIC). A total of 42 quantitative trait loci (QTLs) were identified through one-way analysis of variance, including 15 QTLs for STR and 27 for MIC, with the percentage of variance explained by individual loci averaging 13...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29118777/capparis-spinosa-l-in-a-systematic-review-a-xerophilous-species-of-multi-values-and-promising-potentialities-for-agrosystems-under-the-threat-of-global-warming
#17
REVIEW
Stephanie Chedraoui, Alain Abi-Rizk, Marc El-Beyrouthy, Lamis Chalak, Naim Ouaini, Loïc Rajjou
Caper (Capparis spinosa L.) is a xerophytic shrub with a remarkable adaptability to harsh environments. This plant species is of great interest for its medicinal/pharmacological properties and its culinary uses. Its phytochemical importance relies on many bioactive components present in different organs and its cultivation can be of considerable economic value. Moreover, taxonomic identification of C. spinosa L. has been difficult due to its wide heterogeneity, and many authors fell into confusion due to the scarcity of genetic studies...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29118776/design-of-a-custom-rt-qpcr-array-for-assignment-of-abiotic-stress-tolerance-in-traditional-portuguese-grapevine-varieties
#18
Luísa C Carvalho, Marília Silva, João L Coito, Margarida P Rocheta, Sara Amâncio
Widespread agricultural losses attributed to drought, often combined with high temperatures, frequently occur in the field, namely in Mediterranean climate areas, where the existing scenarios for climate change indicate an increase in the frequency of heat waves and severe drought events in summer. Grapevine (Vitis vinifera L.) is the most cultivated fruit species in the world and the most valuable one and is a traditional Mediterranean species. Currently, viticulture must adjust to impending climate changes that are already pushing vine-growers toward the use of ancient and resilient varieties...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29118775/accumulation-profiles-of-embryonic-salt-soluble-proteins-in-maize-hybrids-and-parental-lines-indicate-matroclinous-inheritance-a-proteomic-analysis
#19
Fen Ning, Xiaolin Wu, Hang Zhang, Zhaokun Wu, Liangjie Niu, Hao Yang, Wei Wang
Maize is one of the most widely cultivated crops. It accumulates a large quantity of seed storage proteins, which are important for seed development and germination, and contribute to the nutritional quality of seeds. Based on solubility, the storage proteins are divided into albumins (water-soluble), globulins (salt-soluble), prolamins (alcohol-soluble), and glutelins (acid- or alkali-soluble). Maize hybrids are cultivated due to the superior performance of F1 hybrids than that of their parents, a phenomenon known as heterosis...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29118774/genome-wide-identification-and-expression-protein-protein-interaction-and-evolutionary-analysis-of-the-seed-plant-specific-big-grain-and-big-grain-like-gene-family
#20
Bhuwaneshwar S Mishra, Muhammed Jamsheer K, Dhriti Singh, Manvi Sharma, Ashverya Laxmi
BIG GRAIN1 (BG1) is an auxin-regulated gene which functions in auxin pathway and positively regulates biomass, grain size and yield in rice. However, the evolutionary origin and divergence of these genes are still unknown. In this study, we found that BG genes are probably originated in seed plants. We also identified that seed plants evolved a class of BIG GRAIN LIKE (BGL) genes which share conserved middle and C-terminal motifs with BG. The BG genes were present in all monocot and eudicot species analyzed; however, the BGL genes were absent in few monocot lineages...
2017: Frontiers in Plant Science
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