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https://www.readbyqxmd.com/read/29158707/a-novel-monocyclic-triterpenoid-and-a-norsesquaterpenol-from-the-aerial-parts-of-suaeda-monoica-forssk-ex-j-f-gmel-with-cell-proliferative-potential
#1
Mansour S Al-Said, Nasir A Siddiqui, Mohamed Ahmed Mukhair, Mohammad K Parvez, Perwez Alam, Mohd Ali, Anzarul Haque
Suaeda monoica Forssk. ex J.F. Gmel (Chenopodiaceae), a mangrove herb, is distributed in tropical Africa, Arabian Peninsula, India, Pakistan, Palestine and Jordan. The plant parts are used to treat sore throat, hepatitis, wounds, rheumatism, paralysis, asthma, snakebites, skin disease and ulcer. Two new phytoconstituents characterized as 13,17-octahydropentalene-4,4,10,23-tetramethyl-17,21-diisopropyl-tetradecahydrocyclo-[a]-phenanthrene-(14), 20(23), 21(30)-trien-5α-ol (SMC-3) and [1,4,4-trimethyl-cyclopent-1(5)-enyl]-9,10,17,21-tetramethyl-9α-ol-16α (17α)-epoxy heptadecan-6,10-dione (SMC-4) belong to the class norsesquaterpenol and monocyclic triterpenoid, respectively, along with two known compounds 3-epi-lupeol (SMC-1) and 4-cyclopentylpyrocatechol (SMC-2) have been isolated from the ethanol extract of aerial parts of S...
November 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/29093768/draft-genome-sequence-of-marinobacterium-rhizophilum-cl-yj9-t-dsm-18822-t-isolated-from-the-rhizosphere-of-the-coastal-tidal-flat-plant-suaeda-japonica
#2
Dong Han Choi, Gwang Ii Jang, Alla Lapidus, Alex Copeland, T B K Reddy, Supratim Mukherjee, Marcel Huntemann, Neha Varghese, Natalia Ivanova, Manoj Pillay, Brian J Tindall, Markus Göker, Tanja Woyke, Hans-Peter Klenk, Nikos C Kyrpides, Byung Cheol Cho
The genus Marinobacterium belongs to the family Alteromonadaceae within the class Gammaproteobacteria and was reported in 1997. Currently the genus Marinobacterium contains 16 species. Marinobacterium rhizophilum CL-YJ9(T) was isolated from sediment associated with the roots of a plant growing in a tidal flat of Youngjong Island, Korea. The genome of the strain CL-YJ9(T) was sequenced through the Genomic Encyclopedia of Type Strains, Phase I: KMG project. Here we report the main features of the draft genome of the strain...
2017: Standards in Genomic Sciences
https://www.readbyqxmd.com/read/29052505/transcriptome-assembly-in-suaeda-aralocaspica-to-reveal-the-distinct-temporal-gene-mirna-alterations-between-the-dimorphic-seeds-during-germination
#3
Lei Wang, Hong-Ling Wang, Lan Yin, Chang-Yan Tian
BACKGROUND: Dimorphic seeds from Suaeda aralocaspica exhibit different germination behaviors that are thought to be a bet-hedging strategy advantageous in harsh and unpredictable environments. To understand the molecular mechanisms of Suaeda aralocaspica dimorphic seed germination, we applied RNA sequencing and small RNA sequencing for samples collected at three germination stages. RESULTS: A total of 79,414 transcripts were assembled using Trinity, of which 57...
October 19, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28986657/influences-of-different-halophyte-vegetation-on-soil-microbial-community-at-temperate-salt-marsh
#4
Doongar R Chaudhary, Jinhyun Kim, Hojeong Kang
Salt marshes are transitional zone between terrestrial and aquatic ecosystems, occupied mainly by halophytic vegetation which provides numerous ecological services to coastal ecosystem. Halophyte-associated microbial community plays an important role in the adaptation of plants to adverse condition and also affected habitat characteristics. To explore the relationship between halophytes and soil microbial community, we studied the soil enzyme activities, soil microbial community structure, and functional gene abundance in halophytes- (Carex scabrifolia, Phragmites australis, and Suaeda japonica) covered and un-vegetated (mud flat) soils at Suncheon Bay, South Korea...
October 6, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28971341/the-gall-associates-of-asphondylia-poss-swaedicola-kieffer-j%C3%A3-rgensen-diptera-cecidomyiidae-on-suaeda-divaricata-moq-amaranthaceae-in-the-semiarid-argentina-and-summary-of-parasitic-hymenoptera-associated-with-suaeda-worldwide
#5
M W Gates, J Torrens, P Fidalgo, R R Kula, M L Buffington, D Adamski
We report on Asphondylia poss. swaedicola Kieffer & Jörgensen inducing apical stem galls on Suaeda divaricata Moquin-Tandon in the Monte region of Argentina. The putative inquiline gelechiid Scrobipalpula patagonica Povolný is confirmed as an associate of A. poss. swaedicola galls. The following hymenopteran parasitoids are associated with this system: Torymus nr swaedicola (Kieffer & Jörgensen), Aprostocetus sp., Horismenus sp., Bracon (Bracon) sp., Chelonus (Microchelonus) sp., Apanteles sp., Zaeucoila robusta (Ashmead), and Goniozus nigrifemur Ashmead...
October 2, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28903734/transcriptomic-profiling-of-genes-in-matured-dimorphic-seeds-of-euhalophyte-suaeda-salsa
#6
Yange Xu, Yuanqin Zhao, Huimin Duan, Na Sui, Fang Yuan, Jie Song
BACKGROUND: Suaeda salsa (S. salsa) is a euhalophyte with high economic value. S. salsa can produce dimorphic seeds. Brown seeds are more salt tolerant, can germinate quickly and maintain the fitness of the species under high saline conditions. Black seeds are less salt tolerant, may become part of the seed bank and germinate when soil salinity is reduced. Previous reports have mainly focused on the ecophysiological traits of seed germination and production under saline conditions in this species...
September 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28861236/incorporating-thresholds-into-understanding-salinity-tolerance-a-study-using-salt-tolerant-plants-in-salt-marshes
#7
Qiang He, Brian R Silliman, Baoshan Cui
Although salinity in many ecosystems such as salt marshes can be extremely high, an asymmetry in salinity range between experimental studies (relatively narrow) and field conditions (potentially broad) has strongly affected current understanding of plant salinity tolerance. To improve understanding, it is thus important to examine plant tolerances over a broad range of salinities and identify potential tolerance thresholds. We examine tolerances of two widely distributed marsh plants, Suaeda salsa and Salicornia europaea, to salinities ranging from 0 to 100 g/kg, and determine survival, above- and belowground biomass after 8 weeks of salinity treatment...
August 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28828266/germination-of-dimorphic-seeds-of-suaeda-aralocaspica-in-response-to-light-and-salinity-conditions-during-and-after-cold-stratification
#8
Hong-Ling Wang, Chang-Yan Tian, Lei Wang
Cold stratification is a requirement for seed dormancy breaking in many species, and thus it is one of the important factors for the regulation of timing of germination. However, few studies have examined the influence of various environmental conditions during cold stratification on subsequent germination, and no study has compared such effects on the performance of dormant versus non-dormant seeds. Seeds of halophytes in the cold desert might experience different light and salinity conditions during and after cold stratification...
2017: PeerJ
https://www.readbyqxmd.com/read/28794903/a-novel-plant-based-sea-water-culture-media-for-in-vitro-cultivation-and-in-situ-recovery-of-the-halophyte-microbiome
#9
Mohamed Y Saleh, Mohamed S Sarhan, Elhussein F Mourad, Mervat A Hamza, Mohamed T Abbas, Amal A Othman, Hanan H Youssef, Ahmed T Morsi, Gehan H Youssef, Mahmoud El-Tahan, Wafaa A Amer, Mohamed Fayez, Silke Ruppel, Nabil A Hegazi
The plant-based-sea water culture medium is introduced to in vitro cultivation and in situ recovery of the microbiome of halophytes. The ice plant (Mesembryanthemum crystallinum) was used, in the form of juice and/or dehydrated plant powder packed in teabags, to supplement the natural sea water. The resulting culture medium enjoys the combinations of plant materials as rich source of nutrients and sea water exercising the required salt stress. As such without any supplements, the culture medium was sufficient and efficient to support very good in vitro growth of halotolerant bacteria...
November 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28670319/divergence-in-life-history-traits-between-two-populations-of-a-seed-dimorphic-halophyte-in-response-to-soil-salinity
#10
Fan Yang, Jerry M Baskin, Carol C Baskin, Xuejun Yang, Dechang Cao, Zhenying Huang
Production of heteromorphic seeds is common in halophytes growing in arid environments with strong spatial and temporal heterogeneity. However, evidence for geographic variation (reflecting local adaptation) is almost nonexistent. Our primary aims were to compare the life history traits of two desert populations of this halophytic summer annual Suaeda corniculata subsp. mongolica and to investigate the phenotypic response of its plant and heteromorphic seeds to different levels of salt stress. Dimorphic seeds (F1) of the halophyte S...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28575946/microwave-assisted-extraction-as-an-efficient-approach-for-biosynthesis-of-zinc-oxide-nanoparticles-synthesis-characterization-and-biological-properties
#11
Hamid Reza Rajabi, Reza Naghiha, Mansoureh Kheirizadeh, Hamed Sadatfaraji, Ali Mirzaei, Zinab Moradi Alvand
In the present study, microwave assisted extraction (MAE) was applied as an efficient, green and rapid approach to prepare the aqueous extract of Suaeda aegyptiaca (SA) plant. The obtained aqueous extracts at two different irradiation power (90 and 270W; 15min) in MAE process as well as maceration method (24h) were used in a green and eco-friendly approach for the synthesis of zinc oxide nanoparticles (ZnO NPs). The synthesized ZnO NPs have been characterized via different techniques including UV-Vis absorption; fluorescence and Fourier transform infrared (FT-IR) spectroscopices, scanning electron microscopy (SEM), and X-ray diffraction (XRD)...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28572812/halophytes-potential-resources-for-salt-stress-tolerance-genes-and-promoters
#12
REVIEW
Avinash Mishra, Bhakti Tanna
Halophytes have demonstrated their capability to thrive under extremely saline conditions and thus considered as one of the best germplasm for saline agriculture. Salinity is a worldwide problem, and the salt-affected areas are increasing day-by-day because of scanty rainfall, poor irrigation system, salt ingression, water contamination, and other environmental factors. The salinity stress tolerance mechanism is a very complex phenomenon, and some pathways are coordinately linked for imparting salinity tolerance...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28552965/does-salt-stress-affect-the-interspecific-interaction-between-regionally-dominant-suaeda-salsa-and-scirpus-planiculumis
#13
Jian Zhou, Lijuan Cui, Xu Pan, Wei Li, Manyin Zhang, Xiaoming Kang
Plant-plant interactions that change along environmental gradients can be affected by different combinations of environmental characteristics, such as the species and planting density ratios. Suaeda salsa and Scirpus planiculumis are regionally dominant species in the Shuangtai estuarine wetland. Compared with non-clonal S. salsa, clonal S. planiculumis has competitive advantages because of its morphological plasticity. However, salt-tolerant S. salsa may grow faster than S. planiculumis in saline-alkali estuary soil...
2017: PloS One
https://www.readbyqxmd.com/read/28490953/determination-of-seed-viability-of-eight-wild-saudi-arabian-species-by-germination-and-x-ray-tests
#14
Turki A Al-Turki, Carol C Baskin
Our purpose was to evaluate the usefulness of the germination vs. the X-ray test in determining the initial viability of seeds of eight wild species (Salvia spinosa, Salvia aegyptiaca, Ochradenus baccatus, Ochradenus arabicus, Suaeda aegyptiaca, Suaeda vermiculata, Prosopisfarcta and Panicumturgidum) from Saudi Arabia. Several days were required to determine viability of all eight species via germination tests, while immediate results on filled/viable seeds were obtained with the X-ray test. Seeds of all the species, except Sa...
May 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28293852/effects-of-ethylene-on-seed-germination-of-halophyte-plants-under-salt-stress
#15
Weiqiang Li, Lam-Son Phan Tran
Halophyte plant species are those that can finish their life cycle in the presence of 50% or more seawater concentration. Ethylene, as a natural plant hormone produced at later stages of seed germination, plays an important role in regulating seed germination. However, its regulatory role in seed dormancy and germination of halophyte plants under salt stress is still not well understood. In this chapter, we describe methods used for applications of two ethylene donors, ethephon and 1-aminocyclopropane-1-carboxylic acid, in studies aimed at examining the effects of ethylene on seed germination of a representative halophyte plant Suaeda salsa under high salinity...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28157614/machine-learning-for-the-prediction-of-l-%C3%A2-chinensis-carbon-nitrogen-and-phosphorus-contents-and-understanding-of-mechanisms-underlying-grassland-degradation
#16
Yuefen Li, Shuo Liang, Yiying Zhao, Wenbo Li, Yuejiao Wang
The grasslands of Western Jilin Province in China have experienced severe degradation during the last 50 years. Radial basis function neural networks (RBFNN) and support vector machines (SVM) were used to predict the carbon, nitrogen, and phosphorus contents of Leymus chinensis (L. chinensis) and explore the degree of grassland degradation using the matter-element extension model. Both RBFNN and SVM demonstrated good prediction accuracy. The results indicated that there was severe degradation, as samples were mainly concentrated in the 3rd and 4th levels...
May 1, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28135313/high-colonization-possibility-of-some-species-of-weeds-in-suaeda-salsa-community-from-an-ecological-stoichiometry-perspective
#17
Changzi Ge, Renqing Wang, Yanchao Chai, Haiqing Wang, Manman Kan, Jian Liu
Suaeda salsa community is a vegetation type in saline-alkali areas. Weed invasion and colonization in S. salsa communities lead to fragmentationsof S. salsa communities. The colonization of invaded weeds in S. salsa communities is related to community succession of saline-alkali zones. The fragmented S. salsa community may be restored if the mechanism of invaded weed colonization in S. salsa communities is clearly elucidated. Thus, we studied the ecological stoichiometric characteristics of soils and plants in a salt marsh to explain the high colonization possibility of invaded weeds in S...
2017: PloS One
https://www.readbyqxmd.com/read/28135015/stoichiometric-variation-of-halophytes-in-response-to-changes-in-soil-salinity
#18
X Sun, Y Gao, D Wang, J Chen, F Zhang, J Zhou, X Yan, Y Li
Variation in soil salt may change the stoichiometry of a halophyte by altering plant ecophysiology, and exert different influences on various plant organs, which has potentially important consequences for the nutrition of consumers as well as nutrient cycling in a saline ecosystem. Using a greenhouse pot experiment, we investigated the effect of salinity variability on the growth and stoichiometry of different organs of Suaeda glauca and Salicornia europaea - two dominant species of important ecological and economic value in the saline ecosystem...
January 30, 2017: Plant Biology
https://www.readbyqxmd.com/read/28124294/spatial-variability-of-soil-salinity-in-coastal-saline-soil-at-different-scales-in-the-yellow-river-delta-china
#19
Zhuoran Wang, Gengxing Zhao, Mingxiu Gao, Chunyan Chang
The objectives of this study were to explore the spatial variability of soil salinity in coastal saline soil at macro, meso and micro scales in the Yellow River delta, China. Soil electrical conductivities (ECs) were measured at 0-15, 15-30, 30-45 and 45-60 cm soil depths at 49 sampling sites during November 9 to 11, 2013. Soil salinity was converted from soil ECs based on laboratory analyses. Our results indicated that at the macro scale, soil salinity was high with strong variability in each soil layer, and the content increased and the variability weakened with increasing soil depth...
February 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28110268/metabolic-and-physiological-adjustment-of-suaeda-maritima-to-combined-salinity-and-hypoxia
#20
Jan H Behr, Alain Bouchereau, Solenne Berardocco, Charlotte E Seal, Timothy J Flowers, Christian Zörb
Background and Aims: Suaeda maritima is a halophyte commonly found on coastal wetlands in the intertidal zone. Due to its habitat S. maritima has evolved tolerance to high salt concentrations and hypoxic conditions in the soil caused by periodic flooding. In the present work, the adaptive mechanisms of S. maritima to salinity combined with hypoxia were investigated on a physiological and metabolic level. Methods: To compare the adaptive mechanisms to deficient, optimal and stressful salt concentrations, S...
April 1, 2017: Annals of Botany
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