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https://www.readbyqxmd.com/read/29319512/comparison-of-microbial-communities-associated-with-halophyte-salsola-stocksii-and-non-halophyte-triticum-aestivum-using-culture-independent-approaches
#1
Salma Mukhtar, Ayesha Ishaq, Sara Hassan, Samina Mehnaz, Muhammad S Mirza, Kauser A Malik
Halophyte microbiome contributes significantly to plant performance and can provide information regarding complex ecological processes involved in osmoregulation of these plants. The objective of this study is to investigate the microbiomes associated with belowground (rhizosphere), internal (endosphere) and aboveground (phyllosphere) tissues of halophyte (Salsola stocksii) through metagenomics approach. Plant samples were collected from Khewra Salt Mines. The metagenomic DNA from soil, root and shoot samples was isolated with the help of FastDNA spin kit...
September 27, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/29299269/salinity-tolerance-of-three-competing-rangeland-plant-species-studies-in-hydroponic-culture
#2
Joseph K Sagers, Blair L Waldron, Joseph Earl Creech, Ivan W Mott, Bruce Bugbee
Halogeton (Halogeton glomeratus) is an invasive species that displaces Gardner's saltbush (Atriplex gardneri) on saline rangelands, whereas, forage kochia (Bassia prostrata) potentially can rehabilitate these ecosystems. Salinity tolerance has been hypothesized as the predominant factor affecting frequency of these species. This study compared relative salinity tolerance of these species, and tall wheatgrass (Thinopyrum ponticum) and alfalfa (Medicago sativa). Plants were evaluated in hydroponics, eliminating the confounding effects of drought, for 28 days at 0, 150, 200, 300, 400, 600, and 800 mmol/L NaCl...
December 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29297198/isolation-and-characterization-of-a-salt-stress-responsive-betaine-aldehyde-dehydrogenase-in-lycium-ruthenicum-murr
#3
Yongliang Liu, Yanli Song, Shaohua Zeng, Barunava Patra, Ling Yuan, Ying Wang
As compatible solute, glycine betaine (GB) plays a significant role in salinity tolerance in GB accumulating plants. Solanaceous crops such as tomato (Solanum lycopersicum) and tobacco (Nicotiana tabacum) are salt sensitive and naturally GB non-accumulators. In Solanaceae, only the Lycium genus was recorded as halophytes in China, and several Lycium species have been reported as GB accumulators. The last biosynthetic step of GB is catalyzed by aminoaldehyde dehydrogenase (AMADH) with betaine aldehyde dehydrogenase (BADH) activities...
January 3, 2018: Physiologia Plantarum
https://www.readbyqxmd.com/read/29286291/transcriptomic-profiling-and-physiological-analysis-of-haloxylon-ammodendron-in-response-to-osmotic-stress
#4
Hui-Juan Gao, Xin-Pei Lü, Ling Zhang, Yan Qiao, Qi Zhao, Yong-Ping Wang, Meng-Fei Li, Jin-Lin Zhang
Haloxylon ammodendron, a perennial xero-halophyte, is an essential species for investigating the effects of drought on desert tree. To gain a comprehensive knowledge on the responses of H. ammodendron to drought stress, we specially performed the molecular and physiological analysis of H. ammodendron in response to -0.75 MPa osmotic stress for six and 24 h in lab condition via RNA-seq and digital gene expression (DGE). In total, 87,109 unigenes with a mean length of 680 bp and 13,486 potential simple sequence repeats (SSRs) were generated, and 3353 differentially expressed genes (DEGs) in shoots and 4564 in roots were identified under stress...
December 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29278299/molecular-mechanisms-underlying-stress-response-and-adaptation
#5
REVIEW
Shuang Sun, Jun Zhou
Environmental stresses are ubiquitous and unavoidable to all living things. Organisms respond and adapt to stresses through defined regulatory mechanisms that drive changes in gene expression, organismal morphology, or physiology. Immune responses illustrate adaptation to bacterial and viral biotic stresses in animals. Dysregulation of the genotoxic stress response system is frequently associated with various types of human cancer. With respect to plants, especially halophytes, complicated systems have been developed to allow for plant growth in high salt environments...
December 26, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/29250103/single-molecule-long-read-transcriptome-dataset-of-halophyte-halogeton-glomeratus
#6
Juncheng Wang, Lirong Yao, Baochun Li, Yaxiong Meng, Xiaole Ma, Huajun Wang
No abstract text is available yet for this article.
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/29247938/physiological-and-antioxidant-responses-of-the-sabkha-biotope-halophyte-limonium-delicatulum-to-seasonal-changes-in-environmental-conditions
#7
Aymen Souid, Lorenza Bellani, Christian Magné, Walid Zorrig, Abderrazak Smaoui, Chedly Abdelly, Vincenzo Longo, Karim Ben Hamed
In saline biotopes, different mechanisms may contribute to the tolerance of halophytes to high soil salinity and temperature, drought and other abiotic stresses, but their relative responses and their ecological plasticity for a given species remain unknown. In this study, we examined the responses of the salt marsh halophyte Limonium delicatulum to changing environmental conditions of its natural habitats (Sabkha "El Kalbia", Tunisia). The specific aim of the work was to check whether statistically significant correlations could be established between particular stress response mechanisms (ion uptake, activation of antioxidant systems) and soil parameters and climatic data associated with environmental stress...
December 6, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29234420/mmp-inhibitory-effects-of-flavonoid-glycosides-from-edible-medicinal-halophyte-limonium-tetragonum
#8
Min Joo Bae, Fatih Karadeniz, Jung Hwan Oh, Ga Hyun Yu, Mi-Soon Jang, Ki-Ho Nam, Youngwan Seo, Chang-Suk Kong
Limonium tetragonum has been well-known for its antioxidative properties as a halophyte. This study investigated the antimetastasis effect of solvent-partitioned L. tetragonum extracts (LTEs) and isolated compounds on HT1080 mouse melanoma cell model with a focus on matrix metalloproteinase (MMP) activity and TIMP and MAPK pathways. Upregulation and stimulation of MMPs result in elevated degradation of extracellular matrix which is part of several complications such as metastasis, cirrhosis, and arthritis. The anti-MMP capacity of LTEs was confirmed by their MMP-inhibitory effects, regulation of MMP and TIMP expression, and suppression of MAPK pathway...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29225608/transcriptomic-profiling-and-physiological-responses-of-halophyte-kochia-sieversiana-provide-insights-into-salt-tolerance
#9
Long Zhao, Zongze Yang, Qiaobing Guo, Shun Mao, Shaoqiang Li, Fasheng Sun, Huan Wang, Chunwu Yang
Halophytes are remarkable plants that can tolerate extremely high-salinity conditions, and have different salinity tolerance mechanisms from those of glycophytic plants. In this work, we investigated the mechanisms of salinity tolerance of an extreme halophyte, Kochia sieversiana (Pall.) C. A. M, using RNA sequencing and physiological tests. The results showed that moderate salinity stimulated the growth and water uptake of K. sieversiana and, even under 480-mM salinity condition, K. sieversiana maintained an extremely high water content...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29223337/an-erf-transcription-factor-from-tamarix-hispida-thcrf1-can-adjust-osmotic-potential-and-reactive-oxygen-species-scavenging-capability-to-improve-salt-tolerance
#10
Liping Qin, Liuqiang Wang, Yong Guo, Yan Li, Halik Ümüt, Yucheng Wang
Ethylene-Responsive Factors (ERFs) are plant-specific transcription factors (TFs) involved in multiple biological processes, especially in abiotic stress tolerance. However, the ERFs from woody halophytes that are involved in salt stress have been little studied. In the present investigation, we characterized a subfamily member of ERF TFs from Tamarix hispida, ThCRF1, which responds to salt stress. ThCRF1 is a nuclear protein that binds to the motifs including TTG, DRE and GCC-box. Transient transformation was performed to generate T...
December 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/29220080/high-salinity-impacts-germination-of-the-halophyte-cakile-maritima-but-primes-seeds-for-rapid-germination-upon-stress-release
#11
Ahmed Debez, Ikram Belghith, Andreas Pich, Wael Taamalli, Chedly Abdelly, Hans-Peter Braun
Seed germination recovery aptitude is an adaptive trait of overriding significance for the successful establishment and dispersal of extremophile plants in their native ecosystems. Cakile maritima is an annual halophyte frequent on Mediterranean coasts, which transiently produces transiently dormant seeds under high salinity, but that germinate fast when soil salinity is lowered by rainfall. Here, we report eco-physiological and proteomic data about (i) the effect of high salt (200 mM NaCl) on the early developmental stages (germination and seedling) and (ii) the seed germination recovery capacity of this species...
December 8, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/29213062/nutrient-resorption-or-accumulation-of-desert-plants-with-contrasting-sodium-regulation-strategies
#12
Lilong Wang, Liang Wang, Wenliang He, Lizhe An, Shijian Xu
Desert plants are thought to rely more heavily on nutrient resorption due to the infertile soil. However, little is known regarding the phylogenetic effects on this traits, specifically for halophytes. Here we determined contents of nitrogen (N), phosphorus (P), potassium (K), sodium (Na), calcium (Ca) and magnesium (Mg) in 36 desert plants in a hyper-arid environment. The patterns of resorption or accumulation of the six elements were compared among plant groups with diverse leaf Na regulation strategies: i...
December 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29209296/illumina-based-analysis-of-endophytic-and-rhizosphere-bacterial-diversity-of-the-coastal-halophyte-messerschmidia-sibirica
#13
Xue-Ying Tian, Cheng-Sheng Zhang
Halophytes play important roles in coastal ecosystems. However, few reports have described bacterial communities related to halophytes, and the distribution patterns of these bacteria in different plant tissues have been rarely compared. This paper mainly studied the diversity and community structure of endophytic and rhizosphere (Rh) bacteria related to the halophyte Messerschmidia sibirica, a dominant species in the coastal zone of Shandong Peninsula, China. We collected leaf (Lf), stem (Sm), root (Rt), Rh, and bulk (Bl) control soil samples, and sequenced the V5-V7 region of the bacterial 16S rRNA gene using the Illumina HiSeq platform to identify bacterial communities originating from different plant habitats...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29204082/looking-at-halophytic-adaptation-to-high-salinity-through-genomics-landscape
#14
REVIEW
G C Nikalje, T D Nikam, P Suprasanna
Soil salinity is an important stress factor that limits plant growth and productivity. For a given plant species, it is critical to sense and respond to salt stimuli followed by activation of multitude of mechanisms for plants to survive. Halophytes, the wonders of saline soils, have demonstrated ability to withstand and reproduce in at least 200 mM NaCl concentration, which makes them an ideal system to study mechanism of salt adaptation for imparting salt tolerance in glycophytes. Halophytes and salt sensitive glycophytes adapt different defense strategies towards salinity stress...
December 2017: Current Genomics
https://www.readbyqxmd.com/read/29200710/identification-of-hepatoprotective-constituents-in-limonium-tetragonum-and-development-of-simultaneous-analysis-method-using-high-performance-liquid-chromatography
#15
Jae Sun Lee, Yun Na Kim, Na-Hyun Kim, Jeong-Doo Heo, Min Hye Yang, Jung-Rae Rho, Eun Ju Jeong
Background: Limonium tetragonum, a naturally salt-tolerant halophyte, has been studied recently and is of much interest to researchers due to its potent antioxidant and hepatoprotective activities. Objective: In the present study, we attempted to elucidate bioactive compounds from ethyl acetate (EtOAc) soluble fraction of L. tetragonum extract. Furthermore, the simultaneous analysis method of bioactive EtOAc fraction of L. tetragonum has been developed using high-performance liquid chromatography (HPLC)...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29185033/transcriptomic-and-proteomic-feature-of-salt-stress-regulated-network-in-jerusalem-artichoke-helianthus-tuberosus-l-root-based-on-de-novo-assembly-sequencing-analysis
#16
Aiqin Zhang, Dongming Han, Yu Wang, Huifang Mu, Tong Zhang, Xiufeng Yan, Qiuying Pang
Ribosome activation and sugar metabolic process mainly act on the regulation of salt tolerance in the bioenergy crop Helianthus tuberosus L. as dissected by integrated transcriptomic and proteomic analyses. Helianthus tuberosus L. is an important halophyte plant that can survive in saline-alkali soil. It is vitally necessary to build an available genomic resource to investigate the molecular mechanisms underlying salt tolerance in H. tuberosus. De novo assembly and annotation of transcriptomes were built for H...
November 28, 2017: Planta
https://www.readbyqxmd.com/read/29175605/elevated-co2-leads-to-carbon-sequestration-by-modulating-c4-photosynthesis-pathway-enzyme-ppdk-in-suaeda-monoica-and-s-fruticosa
#17
Sonam Yadav, Avinash Mishra, Bhavanath Jha
The C4 halophytic species Suaeda monoica and S. fruticosa, possess the C4 photosynthesis pathway without Kranz anatomy were grown at ambient (470ppm CO2) and elevated (850ppm CO2) atmospheric CO2 under control containment facility to study the plant response under CO2 stress condition. The relative growth of both Suaeda species was enhanced with atmospheric CO2 enrichment compared to control (ambient) condition. The photosynthesis rate was found 2.5μmolCO2m-2s-1 in both species under stress condition compared to about 1...
November 16, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29149055/exploration-for-the-salinity-tolerance-related-genes-from-xero-halophyte-atriplex-canescens-exploiting-yeast-functional-screening-system
#18
Gang Yu, Jingtao Li, Xinhua Sun, Yanzhi Liu, Xueliang Wang, Hao Zhang, Hongyu Pan
Plant productivity is limited by salinity stress, both in natural and agricultural systems. Identification of salt stress-related genes from halophyte can provide insights into mechanisms of salt stress tolerance in plants. Atriplex canescens is a xero-halophyte that exhibits optimum growth in the presence of 400 mM NaCl. A cDNA library derived from highly salt-treated A. canescens plants was constructed based on a yeast expression system. A total of 53 transgenic yeast clones expressing enhanced salt tolerance were selected from 10⁵ transformants...
November 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29138619/distribution-characterization-and-diversity-of-the-endophytic-fungal-communities-on-korean-seacoasts-showing-contrasting-geographic-conditions
#19
Young-Hyun You, Jong Myong Park, Yeong Gyo Seo, Woong Lee, Myung-Suk Kang, Jong-Guk Kim
This study analyzed the distribution of endophytic fungi in 3 coastal environments with different climatic, geographical, and geological characteristics: the volcanic islands of Dokdo, the East Sea, and the West Sea of Korea. The isolated fungal endophytes were characterized and analyzed with respect to the characteristics of their host environments. For this purpose, we selected common native coastal halophyte communities from three regions. Molecular identification of the fungal endophytes showed clear differences among the sampling sites and halophyte host species...
September 2017: Mycobiology
https://www.readbyqxmd.com/read/29123646/first-de-novo-draft-genome-sequence-of-oryza-coarctata-the-only-halophytic-species-in-the-genus-oryza
#20
Tapan Kumar Mondal, Hukam Chand Rawal, Kishor Gaikwad, Tilak Raj Sharma, Nagendra Kumar Singh
Oryza coarctata plants, collected from Sundarban delta of West Bengal, India, have been used in the present study to generate draft genome sequences, employing the hybrid genome assembly with Illumina reads and third generation Oxford Nanopore sequencing technology. We report for the first time that more than 85.71 % of the genome coverage and the data have been deposited in NCBI SRA, with BioProject ID PRJNA396417.
2017: F1000Research
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