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Sunlin Chi, Yuli Qin, Weihong Xu, Yourong Chai, Deyu Feng, Yanhua Li, Tao Li, Mei Yang, Zhangmi He
Pot experiment was conducted to study the difference of cadmium uptake and OAS and IRT genes' expression between the two ryegrass varieties under cadmium stress. The results showed that with the increase of cadmium levels, the dry weights of roots of the two ryegrass varieties, and the dry weights of shoots and plants of Abbott first increased and then decreased. When exposed to 75 mg kg-1 Cd, the dry weights of shoot and plant of Abbott reached the maximum, which increased by 11.13 and 10.67% compared with the control...
June 16, 2018: Environmental Science and Pollution Research International
Nabil El Jaouhari, Aziz Abouabdillah, Rachid Bouabid, Mohamed Bourioug, Lotfi Aleya, Mohamed Chaoui
This study was conducted over three consecutive years, 2015, 2016 and 2017, in the Imouzzer Kander region located in northwestern Morocco. The main objective is to evaluate apple tree responses to two sustainable deficit irrigation strategies with 75% (T2) and 50% (T3) of calculated crop evapotranspiration (ETc), compared to a control irrigated with 100% ETc (T1). During the three experiment years, estimated reference evapotranspiration (ET0 ) was 630, 684 and 728 mm, respectively, in 2015, 2016 and 2017...
June 14, 2018: Science of the Total Environment
Ana Luísa Garcia-Oliveira, César Benito, Henrique Guedes-Pinto, Paula Martins-Lopes
Recently, members of MATE family have been implicated in aluminium (Al) tolerance by facilitating citrate efflux in plants. The aim of the present work was to perform a molecular characterisation of the MATE2 gene in bread wheat. Here, we cloned a member of the MATE gene family in bread wheat and named TaMATE2, which showed the typical secondary structure of MATE-type transporters maintaining all the 12 transmembrane domains. The amplification in Chinese Spring nulli-tetrasomic and ditelosomic lines revealed that TaMATE2 is located on the long arm of homoeologous group 1 chromosomes...
June 15, 2018: Plant Biology
Souhir Abdelkrim, Salwa Harzalli Jebara, Omar Saadani, Moez Jebara
The ability of Plant Growth Promoting Rhizobateria (PGPR) to enhance Lathyrus sativus tolerance to lead (Pb) stress was investigated. Ten consortia formed by mixing four efficient and Pb-resistant PGPR strains were assessed for their beneficial effect in improving Pb (0.5 mM) uptake and in inducing host-defensive system of L. sativus under hydroponic conditions based on various physiological and biochemical parameters. Pb stress significantly decreased shoot and root dry weight but inoculation improves these biomasses with highest increases registred in SDW and RDW of plants inoculated with I5 (R...
June 15, 2018: Plant Biology
Nisha Govender, Siju Senan, Zeti-Azura Mohamed-Hussein, Ratnam Wickneswari
The plant shoot system consists of reproductive organs such as inflorescences, buds and fruits, and the vegetative leaves and stems. In this study, the reproductive part of the Jatropha curcas shoot system, which includes the aerial shoots, shoots bearing the inflorescence and inflorescence were investigated in regard to gene-to-gene interactions underpinning yield-related biological processes. An RNA-seq based sequencing of shoot tissues performed on an Illumina HiSeq. 2500 platform generated 18 transcriptomes...
June 15, 2018: Scientific Reports
Veysel Turan, Shahbaz Ali Khan, Mahmood-Ur-Rahman, Muhammad Iqbal, Pia Muhammad Adnan Ramzani, Maryam Fatima
Depleting aquifers, lack of planning and low socioeconomic status of Pakistani farmers have led them to use wastewater (WW) for irrigating their crops causing food contamination with heavy metals and ultimately negative effects on human health. This study evaluates the effects of chitosan (CH) and biochar (BC) on growth and nutritional quality of brinjal plant together with in situ immobilization of heavy metals in a soil polluted with heavy metals due to irrigation with wastewater (SPHIW) and further irrigated with the same WW...
June 12, 2018: Ecotoxicology and Environmental Safety
Adela Wu, Tina Doshi, Alice Hung, Tomas Garzon-Muvdi, Matthew T Bender, Chetan Bettegowda, Michael Lim
OBJECTIVE: Classic trigeminal neuralgia (TN) involves sharp, shooting pain in any trigeminal nerve distribution, whereas atypical TN presents with constant aching, numbness or burning that can appear with classic features, leading to a mixed presentation. Microvascular decompression (MVD) is an effective treatment for classic TN, but its utility in treating mixed TN is less studied. METHODS: We retrospectively studied 73 adult patients with mixed TN and 386 classic TN patients, who all underwent MVD between December 2007 and October 2016...
June 12, 2018: World Neurosurgery
Hiroki Oyama, Osamu Fuse, Hiroshi Tomimatsu, Kenji Seiwa
The data presented in this paper is supporting the research article "Variable seed behavior increases recruitment success of a hardwood tree, Zelkova serrata , in spatially heterogeneous forest environments" (Oyama et al., 2018) [1]. We provided the data of several ecological properties of the two types of the seeds (i.e. shoot seeds vs. single seeds) with distinctly different dispersal behaviors. We provide data of terminal velocity, which was measured by releasing 50 replicates of each seed type from a height of 5...
June 2018: Data in Brief
Rieta Gols, Nicole M van Dam, Michael Reichelt, Jonathan Gershenzon, Ciska E Raaijmakers, James M Bullock, Jeffrey A Harvey
Levels of plant secondary metabolites are not static and often change in relation to plant ontogeny. They also respond to abiotic and biotic changes in the environment, e.g., they often increase in response to biotic stress, such as herbivory. In contrast with short-lived annual plant species, especially those with growing periods of less than 2-3 months, investment in defensive compounds of vegetative tissues in biennial and perennial species may also vary over the course of an entire growing season. In garden experiments, we investigated the dynamics of secondary metabolites, i...
2018: Chemoecology
Ye Xia, Amna Amna, Stephen Obol Opiyo
Plants have a diverse endophytic microbiome that is functionally important for their growth, development, and health. In this study, the diversity and specificity of culturable endophytic fungal communities were explored in one of the most important biofuel crops, switchgrass plants (Panicum virgatum L.), which have been cultivated on a reclaimed coal-mining site for more than 20 years. The endophytic fungi were isolated from the surface-sterilized shoot (leaf and stem), root, and seed tissues of switchgrass plants and then cultured for identification...
2018: PloS One
Manaki Mimura, Toru Kudo, Shan Wu, Donald R McCarty, Masaharu Suzuki
In plants, establishment of the basic body plan during embryogenesis involves complex processes of axis formation, cell fate specification and organ differentiation. While molecular mechanisms of embryogenesis have been well studied in the eudicot Arabidopsis, only a small number of genes regulating embryogenesis has been identified in grass species. Here, we show that a RKD-type RWP-RK transcription factor encoded by Shohai1 (Shai1) is indispensable for embryo and endosperm development in maize. Loss of Shai1 function causes variable morphological defects in the embryo including small scutellum, shoot axis bifurcation and arrest during early organogenesis...
June 14, 2018: Plant Journal: for Cell and Molecular Biology
Robert Bujila, Love Kull, Mats Danielsson, Jonas Andersson
PURPOSE: The weighted CT dose index (CTDIw ) has been extended for a nominal total collimation width (nT) greater than 40 mm and relies on measurements of CTDIfreeair. The purpose of this work was to compare three methods of measuring CTDIfreeair and subsequent calculations of CTDIw to investigate their clinical appropriateness. METHODS: The CTDIfreeair, for multiple nTs up to 160 mm, was calculated from (1) high-resolution air kerma profiles from a step-and-shoot translation of a liquid ionization chamber (LIC) (considered to be a dosimetric reference), (2) pencil ionization chamber (PIC) measurements at multiple contiguous positions, and (3) air kerma profiles obtained through the continuous translation of a solid-state detector...
June 14, 2018: Journal of Applied Clinical Medical Physics
Sundaravelpandian Kalaipandian, Gang-Ping Xue, Anne L Rae, Donna Glassop, Graham D Bonnett, Lynne C McIntyre
Calcium (Ca2+ ) is a universal messenger that mediates intracellular responses to extracellular stimuli in living organisms. Calmodulin (CaM) and calmodulin-like proteins (CMLs) are the important Ca2+ sensors in plants that decode Ca2+ -signatures to execute downstream intracellular level responses. Several studies indicate the interlinking of Ca2+ and sugar signalling in plants, however, no genes have been functionally characterized to provide molecular evidence. Our study found that expression of TaCML20 was significantly correlated with water soluble carbohydrate (WSC) concentrations in recombinant inbred lines in wheat...
June 14, 2018: Physiologia Plantarum
Rabab Sanoubar, Roberta Calone, Enrico Noli, Lorenzo Barbanti
The present investigation attempted to assess the influence of two light sources, LED versus fluorescent light, on seed germination of nine aromatic species belonging to the genus Artemisia , Atriplex , Chenopodium , Salicornia , Sanguisorba , Portulaca and Rosmarinus . Pre-germination test was carried out in petri dishes, evidencing the need to overcome seed dormancy through cold stratification in Salicornia europaea . Thereafter, seeds were germinated in small trays with peat moss substrate in two growth chambers illuminated with either LED or fluorescent light featuring similar photosynthetic photon flux density...
August 2018: Data in Brief
Jianhua Xiang, Xiaoyun Zhou, Xianwen Zhang, Ailing Liu, Yanci Xiang, Mingli Yan, Yan Peng, Xinbo Chen
Potassium (K+ ) is one of the essential macronutrients required for plant growth and development, and the maintenance of cellular K+ homeostasis is important for plants to adapt to abiotic stresses and growth. However, the mechanism involved has not been understood clearly. In this study, we demonstrated that AtUNC-93 plays a crucial role in this process under the control of abscisic acid (ABA). AtUNC-93 was localized to the plasma membrane and mainly expressed in the vascular tissues in Arabidopsis thaliana ...
2018: Frontiers in Plant Science
Arslan Sarwar, Zakia Latif, Songya Zhang, Jing Zhu, David L Zechel, Andreas Bechthold
Potato is prone to many drastic diseases like potato common scab (CS). As no highly effective methods exist for managing CS, this study explored the possibility of using biological control. Ten bacterial strains were isolated from CS-infected potato tubers from four different locations of Punjab, Pakistan, and identified based on biochemical and molecular analysis. Analysis of 16s rDNA sequences amplified by PCR revealed the isolated bacterial strains to be Streptomyces scabies, S. turgidiscabies and S. stelliscabiei ...
2018: Frontiers in Microbiology
Michelle A Coelho, Roberta Fusconi, Liliane Pinheiro, Ionara C Ramos, Adão S Ferreira
The addition of organic residues to agricultural soils has been used as a practical alternative to improve crop quality and health. The objective of this work was to evaluate maize physiological and nutritional responses to the application of compost and biochar combined with urea (N) and N-(n-butyl) thiophosphoric triamide (NBPT). The experiment was performed in plastic pots with 3 kg of soil under greenhouse conditions for 30 days. The compost and biochar were applied at the rate of 0.3 ton ha-1, using an amount of nutrient (nitrogen, phosphorus and potassium) demanded by crop growth...
April 2018: Anais da Academia Brasileira de Ciências
Marcin Zadworny, Louise H Comas, David M Eissenstat
Background and Aims: Understanding root traits and their trade-off with other plant processes is important for understanding plant functioning in natural ecosystems as well as agricultural systems. The aim of the present study was to determine the relationship between root morphology and the hydraulic characteristics of several orders of fine roots (<2 mm) for species differing in shade tolerance (low, moderate and high). Methods: The morphological, anatomical and hydraulic traits across five distal root orders were measured in species with different levels of shade tolerance and life history strategies...
April 20, 2018: Annals of Botany
Sonali Roy
No abstract text is available yet for this article.
June 12, 2018: Plant Cell
Stéphane Dubascoux, Daniel Andrey, Mario Vigo, Peter Kastenmayer, Eric Poitevin
Nutritional information about human milk is essential as early human growth and development have been closely linked to the status and requirements of several macro- and micro-elements. However, methods addressing whole mineral profiling in human milk have been scarce due in part to their technical complexities to accurately and simultaneously measure the concentration of micro- and macro-trace elements in low volume of human milk. In the present study, a single laboratory validation has been performed using a "dilute and shoot" approach for the quantification of sodium (Na), magnesium (Mg), phosphorus (P), potassium (K), calcium (Ca), manganese (Mn), iron (Fe), copper (Cu), zinc (Zn), selenium (Se), molybdenum (Mo) and iodine (I), in both human milk and milk preparations...
September 2018: Journal of Trace Elements in Medicine and Biology
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