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Plants (Basel, Switzerland)

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https://www.readbyqxmd.com/read/28608805/comparative-phenotypical-and-molecular-analyses-of-arabidopsis-grown-under-fluorescent-and-led-light
#1
Franka Seiler, Jürgen Soll, Bettina Bölter
Comparative analyses of phenotypic and molecular traits of Arabidopsis thaliana grown under standardised conditions is still a challenge using climatic devices supplied with common light sources. These are in most cases fluorescent lights, which have several disadvantages such as heat production at higher light intensities, an invariable spectral output, and relatively rapid "ageing". This results in non-desired variations of growth conditions and lowers the comparability of data acquired over extended time periods...
June 13, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28608803/the-unique-role-of-the-eceriferum2-like-clade-of-the-bahd-acyltransferase-superfamily-in-cuticular-wax-metabolism
#2
REVIEW
Tegan M Haslam, Wesley K Gerelle, Sean W Graham, Ljerka Kunst
The elongation of very-long-chain fatty acids is a conserved process used for the production of many metabolites, including plant cuticular waxes. The elongation of precursors of the most abundant cuticular wax components of some plants, however, is unique in requiring ECERIFERUM2-LIKE (CER2-LIKE) proteins. CER2-LIKEs are a clade within the BAHD superfamily of acyltransferases. They are known to be required for cuticular wax production in both Arabidopsis and maize based on mutant studies. Heterologous expression of Arabidopsis and rice CER2-LIKEs in Saccharomyces cerevisiae has demonstrated that they modify the chain-length specificity of elongation when paired with particular condensing enzymes...
June 13, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28555003/flowering-locus-t-triggers-early-and-fertile-flowering-in-glasshouse-cassava-manihot-esculenta-crantz
#3
Simon E Bull, Adrian Alder, Cristina Barsan, Mathias Kohler, Lars Hennig, Wilhelm Gruissem, Hervé Vanderschuren
Accelerated breeding of plant species has the potential to help challenge environmental and biochemical cues to support global crop security. We demonstrate the over-expression of ArabidopsisFLOWERING LOCUS T in Agrobacterium-mediated transformed cassava (Manihot esculenta Crantz; cultivar 60444) to trigger early flowering in glasshouse-grown plants. An event seldom seen in a glasshouse environment, precocious flowering and mature inflorescence were obtained within 4-5 months from planting of stem cuttings...
May 27, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28587097/metabolomic-profiling-of-soybeans-glycine-max-l-reveals-the-importance-of-sugar-and-nitrogen-metabolism-under-drought-and-heat-stress
#4
Aayudh Das, Paul J Rushton, Jai S Rohila
Soybean is an important crop that is continually threatened by abiotic stresses, especially drought and heat stress. At molecular levels, reduced yields due to drought and heat stress can be seen as a result of alterations in metabolic homeostasis of vegetative tissues. At present an incomplete understanding of abiotic stress-associated metabolism and identification of associated metabolites remains a major gap in soybean stress research. A study with a goal to profile leaf metabolites under control conditions (28/24 °C), drought [28/24 °C, 10% volumetric water content (VWC)], and heat stress (43/35 °C) was conducted in a controlled environment...
May 25, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28505096/attenuation-of-drought-stress-in-brassica-seedlings-with-exogenous-application-of-ca-2-and-h%C3%A2-o%C3%A2
#5
Akram Khan, Yasir Anwar, Md Mahadi Hasan, Aqib Iqbal, Muhammad Ali, Hesham F Alharby, Khalid Rehman Hakeem, Mirza Hasanuzzaman
Drought is one of the most common abiotic stresses, affecting the growth and productivity of crop plants globally, particularly in arid and semi-arid regions. Different strategies are used to mitigate the impact of drought among crop plants. Exogenous application of different substances are known to decrease the effects of various abiotic stresses, including drought stress. The aim of this study was to evaluate the effect of Ca(2+) and H₂O₂ in developing drought stress tolerance in Brassica napus "Bulbul-98" seedlings...
May 13, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28498334/pastoralism-versus-agriculturalism-how-do-altered-land-use-forms-affect-the-spread-of-invasive-plants-in-the-degraded-mutara-rangelands-of-north-eastern-rwanda
#6
Torsten Wronski, Jean Damascene Bariyanga, Ping Sun, Martin Plath, Ann Apio
Lantana camara L. (Verbenaceae) originates from tropical Central and South America and has become invasive in about 50 countries. It causes problems when invading rangelands due to its toxicity to livestock and its tendency to form dense, monotonous thickets. Its invasiveness can partly be explained by the high tannin content largely protecting the species from being browsed, its tolerance to a wide range of environmental conditions, as well as its general preference for anthropogenically disturbed habitats...
May 12, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28489041/effect-of-gamma-irradiation-on-2-acetyl-1-pyrroline-content-gaba-content-and-volatile-compounds-of-germinated-rice-thai-upland-rice
#7
Sompong Sansenya, Yanling Hua, Saowapa Chumanee, Kannika Phasai, Chanun Sricheewin
Aroma intensity in rice is related to the level of 2-acetyl-1-pyrroline (2AP). The accumulation of 2AP in rice has been synthesized via l-proline metabolism by inactive betaine aldehyde dehydrogenase enzyme (BADH2), which activates 2AP accumulation. Meanwhile, active BADH2 inhibits 2AP accumulation but activates γ-aminobutyric acid (GABA) accumulation. The improvement of 2AP content in rice has been reported under certain conditions, such as high salinity, water treatment, and reduction of high intensity solar exposure...
May 10, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28441780/pollen-grain-preservation-and-fertility-in-valuable-commercial-rose-cultivars
#8
Annalisa Giovannini, Anca Macovei, Matteo Caser, Andrea Mansuino, Gian Guido Ghione, Marco Savona, Daniela Carbonera, Valentina Scariot, Alma Balestrazzi
In the cut flower market, traditional breeding is still the best way to achieve new rose cultivars. The geographical delocalization of cultivar constitution (generally made in Europe and North America) and plant cultivation (large areas in Africa and South America) represents a limit point for crossing and selection. Rose breeders often need to overcome geographical distances, resulting in asynchrony in flowering among crossing parents, by storing and sending pollen. Hence, a key aspect in breeding programs is linked to pollen availability and conservation, jointly with the identification of parameters related to pollen fertility...
April 24, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28394295/antimicrobial-resistance-and-the-alternative-resources-with-special-emphasis-on-plant-based-antimicrobials-a-review
#9
REVIEW
Harish Chandra, Parul Bishnoi, Archana Yadav, Babita Patni, Abhay Prakash Mishra, Anant Ram Nautiyal
Indiscriminate and irrational use of antibiotics has created an unprecedented challenge for human civilization due to microbe's development of antimicrobial resistance. It is difficult to treat bacterial infection due to bacteria's ability to develop resistance against antimicrobial agents. Antimicrobial agents are categorized according to their mechanism of action, i.e., interference with cell wall synthesis, DNA and RNA synthesis, lysis of the bacterial membrane, inhibition of protein synthesis, inhibition of metabolic pathways, etc...
April 10, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28368351/lipid-raft-regulator-of-plasmodesmal-callose-homeostasis
#10
REVIEW
Arya Bagus Boedi Iswanto, Jae-Yean Kim
Abstract: The specialized plasma membrane microdomains known as lipid rafts are enriched by sterols and sphingolipids. Lipid rafts facilitate cellular signal transduction by controlling the assembly of signaling molecules and membrane protein trafficking. Another specialized compartment of plant cells, the plasmodesmata (PD), which regulates the symplasmic intercellular movement of certain molecules between adjacent cells, also contains a phospholipid bilayer membrane. The dynamic permeability of plasmodesmata (PDs) is highly controlled by plasmodesmata callose (PDC), which is synthesized by callose synthases (CalS) and degraded by β-1,3-glucanases (BGs)...
April 3, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28273829/combined-effects-of-ozone-and-drought-on-the-physiology-and-membrane-lipids-of-two-cowpea-vigna-unguiculata-l-walp-cultivars
#11
Deborah Moura Rebouças, Yuri Maia De Sousa, Matthieu Bagard, Jose Helio Costa, Yves Jolivet, Dirce Fernandes De Melo, Anne Repellin
The interactive effects of drought and ozone on the physiology and leaf membrane lipid content, composition and metabolism of cowpea (Vigna unguiculata (L.) Walp.) were investigated in two cultivars (EPACE-1 and IT83-D) grown under controlled conditions. The drought treatment (three-week water deprivation) did not cause leaf injury but restricted growth through stomatal closure. In contrast, the short-term ozone treatment (130 ppb 12 h daily during 14 day) had a limited impact at the whole-plant level but caused leaf injury, hydrogen peroxide accumulation and galactolipid degradation...
March 3, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28257092/first-report-on-the-ethnopharmacological-uses-of-medicinal-plants-by-monpa-tribe-from-the-zemithang-region-of-arunachal-pradesh-eastern-himalayas-india
#12
Tamalika Chakraborty, Somidh Saha, Narendra S Bisht
The Himalayas are well known for high diversity and ethnobotanical uses of the region's medicinal plants. However, not all areas of the Himalayan regions are well studied. Studies on ethnobotanical uses of plants from the Eastern Himalayas are still lacking for many tribes. Past studies have primarily focused on listing plants' vernacular names and their traditional medicinal uses. However, studies on traditional ethnopharmacological practices on medicine preparation by mixing multiple plant products of different species has not yet been reported in published literature from the state of Arunachal Pradesh, India, Eastern Himalayas...
March 2, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28257070/plasmodesmata-mediated-cell-to-cell-communication-in-the-shoot-apical-meristem-how-stem-cells-talk
#13
REVIEW
Munenori Kitagawa, David Jackson
Positional information is crucial for the determination of plant cell fates, and it is established based on coordinated cell-to-cell communication, which in turn is essential for plant growth and development. Plants have evolved a unique communication pathway, with tiny channels called plasmodesmata (PD) spanning the cell wall. PD interconnect most cells in the plant and generate a cytoplasmic continuum, to mediate short- and long-distance trafficking of various molecules. Cell-to-cell communication through PD plays a role in transmitting positional signals, however, the regulatory mechanisms of PD-mediated trafficking are still largely unknown...
March 1, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230801/ethnopharmacology-chemistry-and-biological-properties-of-four-malian-medicinal-plants
#14
REVIEW
Karl Egil Malterud
The ethnopharmacology, chemistry and pharmacology of four Malian medicinal plants, Biophytum umbraculum, Burkea africana, Lannea velutina and Terminalia macroptera are reviewed. These plants are used by traditional healers against numerous ailments: malaria, gastrointestinal diseases, wounds, sexually transmitted diseases, insect bites and snake bites, etc. The scientific evidence for these uses is, however, limited. From the chemical and pharmacological evidence presented here, it seems possible that the use in traditional medicine of these plants may have a rational basis, although more clinical studies are needed...
February 21, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28218654/caffeoylquinic-acids-from-the-aerial-parts-of-chrysanthemum-coronarium-l
#15
Chunpeng Wan, Shanshan Li, Lin Liu, Chuying Chen, Shuying Fan
To elucidate the chemical compositions of the aerial parts of Chrysanthemum coronarium L., the ethanol extracts of Ch. coronarium L. were firstly isolated by the MCI-gel resin column. The caffeoylquinic acid-rich fractions were further purified by various chromatographic columns including silica gel, Sephadex LH-20, and semi-preparative HPLC to yield the compounds. The purified compounds were characterized by ¹H-Nuclear Magnetic Resonance (¹H-NMR), (13)C-NMR, and high resolution electrospray ionisation mass spectral (HR-ESI-MS) spectroscopy...
February 17, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28216553/an-improved-syringe-agroinfiltration-protocol-to-enhance-transformation-efficiency-by-combinative-use-of-5-azacytidine-ascorbate-acid-and-tween-20
#16
Huimin Zhao, Zilong Tan, Xuejing Wen, Yucheng Wang
Syringe infiltration is an important transient transformation method that is widely used in many molecular studies. Owing to the wide use of syringe agroinfiltration, it is important and necessary to improve its transformation efficiency. Here, we studied the factors influencing the transformation efficiency of syringe agroinfiltration. The pCAMBIA1301 was transformed into Nicotiana benthamiana leaves for investigation. The effects of 5-azacytidine (AzaC), Ascorbate acid (ASC) and Tween-20 on transformation were studied...
February 14, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28208608/multiple-mobile-mrna-signals-regulate-tuber-development-in-potato
#17
REVIEW
David J Hannapel, Anjan K Banerjee
Included among the many signals that traffic through the sieve element system are full-length mRNAs that function to respond to the environment and to regulate development. In potato, several mRNAs that encode transcription factors from the three-amino-loop-extension (TALE) superfamily move from leaves to roots and stolons via the phloem to control growth and signal the onset of tuber formation. This RNA transport is enhanced by short-day conditions and is facilitated by RNA-binding proteins from the polypyrimidine tract-binding family of proteins...
February 10, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28208605/quantification-of-climate-warming-and-crop-management-impacts-on-cotton-phenology
#18
Shakeel Ahmad, Qaiser Abbas, Ghulam Abbas, Zartash Fatima, Atique-Ur-Rehman, Sahrish Naz, Haseeb Younis, Rana Jahanzeb Khan, Wajid Nasim, Muhammad Habib Ur Rehman, Ashfaq Ahmad, Ghulam Rasul, Muhammad Azam Khan, Mirza Hasanuzzaman
Understanding the impact of the warming trend on phenological stages and phases of cotton (Gossypium hirsutum L.) in central and lower Punjab, Pakistan, may assist in optimizing crop management practices to enhance production. This study determined the influence of the thermal trend on cotton phenology from 1980-2015 in 15 selected locations. The results demonstrated that observed phenological stages including sowing (S), emergence (E), anthesis (A) and physiological maturity (M) occurred earlier by, on average, 5...
February 10, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28106834/heat-stress-decreases-levels-of-nutrient-uptake-and-assimilation-proteins-in-tomato-roots
#19
Anju Giri, Scott Heckathorn, Sasmita Mishra, Charles Krause
Global warming will increase root heat stress, which is already common under certain conditions. Effects of heat stress on root nutrient uptake have rarely been examined in intact plants, but the limited results indicate that heat stress will decrease it; no studies have examined heat-stress effects on the concentration of nutrient-uptake proteins. We grew Solanum lycopersicum (tomato) at 25 °C/20 °C (day/night) and then transferred some plants for six days to 35 °C /30 °C (moderate heat) or 42 °C/37 °C (severe heat) (maximum root temperature = 32 °C or 39 °C, respectively); plants were then moved back to control conditions for seven days to monitor recovery...
January 19, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28067821/influence-of-nitrogen-availability-on-growth-of-two-transgenic-birch-species-carrying-the-pine-gs1a-gene
#20
Vadim G Lebedev, Nina P Kovalenko, Konstantin A Shestibratov
An alternative way to increase plant productivity through the use of nitrogen fertilizers is to improve the efficiency of nitrogen utilization via genetic engineering. The effects of overexpression of pine glutamine synthetase (GS) gene and nitrogen availability on growth and leaf pigment levels of two Betula species were studied. Untransformed and transgenic plants of downy birch (B. pubescens) and silver birch (B. pendula) were grown under open-air conditions at three nitrogen regimes (0, 1, or 10 mM) for one growing season...
January 6, 2017: Plants (Basel, Switzerland)
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