keyword
MENU ▼
Read by QxMD icon Read
search

Plant Community

keyword
https://www.readbyqxmd.com/read/28550630/the-effects-of-different-sewage-sludge-amendment-rates-on-the-heavy-metal-bioaccumulation-growth-and-biomass-of-cucumbers-cucumis-sativus-l
#1
Ebrahem M Eid, Sulaiman A Alrumman, Ahmed F El-Bebany, Abd El-Latif Hesham, Mostafa A Taher, Khaled F Fawy
When sewage sludge is incorrectly applied, it may adversely impact agro-system productivity. Thus, this study addresses the reaction of Cucumis sativus L. (cucumber) to different amendment rates (0, 10, 20, 30, 40 and 50 g kg(-1)) of sewage sludge in a greenhouse pot experiment, in which the plant growth, heavy metal uptake and biomass were evaluated. A randomized complete block design with six treatments and six replications was used as the experimental design. The soil electrical conductivity, organic matter and Cr, Fe, Zn and Ni concentrations increased, but the soil pH decreased in response to the sewage sludge applications...
May 26, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28549621/let-the-core-microbiota-be-functional
#2
REVIEW
Philippe Lemanceau, Manuel Blouin, Daniel Muller, Yvan Moënne-Loccoz
The microbial community that is systematically associated with a given host plant is called the core microbiota. The definition of the core microbiota was so far based on its taxonomic composition, but we argue that it should also be based on its functions. This so-called functional core microbiota encompasses microbial vehicles carrying replicators (genes) with essential functions for holobiont (i.e., plant plus microbiota) fitness. It builds up from enhanced horizontal transfers of replicators as well as from ecological enrichment of their vehicles...
May 23, 2017: Trends in Plant Science
https://www.readbyqxmd.com/read/28549260/identification-of-oral-cavity-biofilm-forming-bacteria-and-determination-of-their-growth-inhibition-by-acacia-arabica-tamarix-aphylla-l-and-melia-azedarach-l-medicinal-plants
#3
Muhammad Khalid, Danial Hassani, Muhammad Bilal, Zahid Ali Butt, Muhammad Hamayun, Ayaz Ahmad, Danfeng Huang, Anwar Hussain
OBJECTIVE: Biofilms are complex, multi-species bacterial communities that colonize the oral cavity in the form of plaque and are known to cause dental caries and periodontal disease. Present study demonstrated the potential of three selected medicinal plants against isolated and identified dental biofilm forming strains. METHODS: Pathogenic bacteria from dental biofilms were isolated, cultured, identified by phylogenetic analysis using PCR-based 16S ribosomal RNA (or 16S rRNA) nucleotide sequences and were analyzed for their biofilm forming capability...
May 18, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28549098/high-protein-foods-and-physical-activity-protect-against-age-related-muscle-loss-and-functional-decline
#4
M Loring Bradlee, Jabed Mustafa, Martha R Singer, Lynn L Moore
Background: Some clinical trials suggest that protein supplementation enhances the effects of resistance exercise on skeletal muscle mass (SMM); fewer studies examine the effects of diets rich in protein-source foods on SMM and functional status among community-dwelling adults. Methods: Data from the Framingham Offspring study including diet (three-day records, exams 3 and 5), physical activity (exams 2 and 4), percent SMM (%SMM) (exams 6 and 7), and functional performance (exams 5 through 8) were used to evaluate independent and combined effects of physical activity and high-protein foods on adjusted mean %SMM (using analysis of covariance) and risk of functional decline (using Cox proportional hazard's models)...
May 25, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28549080/life-history-traits-influence-the-strength-of-distance-and-density-dependence-at-different-life-stages-of-two-amazonian-palms
#5
Juanita Choo, Cecilia Carasco, Patricia Alvarez-Loayza, Beryl B Simpson, Evan P Economo
Background and Aims: Natural enemies are known to be important in regulating plant populations and contributing to species coexistence (Janzen-Connell effects). The strength of Janzen-Connell effects (both distance- and density-effects) varies across species, but the life history traits that may mediate such a variation are not well understood. This study examined Janzen-Connell effects across the life stages (seed through adult stages) of two sympatric palm species with distinct phenologies and shade tolerances, two traits that may mediate the strength and timing of Janzen-Connell effects...
May 26, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28546829/vinasse-fertirrigation-alters-soil-resistome-dynamics-an-analysis-based-on-metagenomic-profiles
#6
Lucas P P Braga, Rafael F Alves, Marina T F Dellias, Acacio A Navarrete, Thiago O Basso, Siu M Tsai
Every year around 300 Gl of vinasse, a by-product of ethanol distillation in sugarcane mills, are flushed into more than 9 Mha of sugarcane cropland in Brazil. This practice links fermentation waste management to fertilization for plant biomass production, and it is known as fertirrigation. Here we evaluate public datasets of soil metagenomes mining for changes in antibiotic resistance genes (ARGs) of soils from sugarcane mesocosms repeatedly amended with vinasse. The metagenomes were annotated using the ResFam database...
2017: BioData Mining
https://www.readbyqxmd.com/read/28545387/impact-of-e-publication-changes-in-the-international-code-of-nomenclature-for-algae-fungi-and-plants-melbourne-code-2012-did-we-need-to-run-for-our-lives
#7
Nicky Nicolson, Katherine Challis, Allan Tucker, Sandra Knapp
BACKGROUND: At the Nomenclature Section of the XVIII International Botanical Congress in Melbourne, Australia (IBC), the botanical community voted to allow electronic publication of nomenclatural acts for algae, fungi and plants, and to abolish the rule requiring Latin descriptions or diagnoses for new taxa. Since the 1st January 2012, botanists have been able to publish new names in electronic journals and may use Latin or English as the language of description or diagnosis. RESULTS: Using data on vascular plants from the International Plant Names Index (IPNI) spanning the time period in which these changes occurred, we analysed trajectories in publication trends and assessed the impact of these new rules for descriptions of new species and nomenclatural acts...
May 25, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28545131/major-changes-in-microbial-diversity-and-community-composition-across-gut-sections-of-a-juvenile-panchlora-cockroach
#8
Erin A Gontang, Frank O Aylward, Camila Carlos, Tijana Glavina Del Rio, Mansi Chovatia, Alison Fern, Chien-Chi Lo, Stephanie A Malfatti, Susannah G Tringe, Cameron R Currie, Roberto Kolter
Investigations of gut microbiomes have shed light on the diversity and genetic content of these communities, and helped shape our understanding of how host-associated microorganisms influence host physiology, behavior, and health. Despite the importance of gut microbes to metazoans, our understanding of the changes in diversity and composition across the alimentary tract, and the source of the resident community are limited. Here, using community metagenomics and 16S rRNA gene sequencing, we assess microbial community diversity and coding potential in the foregut, midgut, and hindgut of a juvenile Panchlora cockroach, which resides in the refuse piles of the leaf-cutter ant species Atta colombica...
2017: PloS One
https://www.readbyqxmd.com/read/28545003/adaptation-specialization-and-coevolution-within-phytobiomes
#9
REVIEW
David A Baltrus
Growth patterns of individual plants and evolutionary trajectories of plant communities are intimately linked with and are critically affected by host-associated microbiomes. Research across systems has begun to shed light on how these phytobiomes are established under laboratory and natural conditions, and have cultivated hope that a better understanding of the governing principles for host-microbe interactions can guide attempts to engineer microbiomes to boost agricultural yields. One important, yet relatively understudied, parameter in regards to phytobiome membership is the degree to which specialization and coevolution between plant species and microbes provides structure to these communities...
May 22, 2017: Current Opinion in Plant Biology
https://www.readbyqxmd.com/read/28544990/degradation-of-mecoprop-in-polluted-landfill-leachate-and-waste-water-in-a-moving-bed-biofilm-reactor
#10
Mònica Escolà Casas, Tue Kjærgaard Nielsen, Witold Kot, Lars Hestbjerg Hansen, Anders Johansen, Kai Bester
Mecoprop is a common pollutant in effluent-, storm- and groundwater as well as in leachates from derelict dumpsites. Thus, bioremediation approaches may be considered. We conducted batch experiments with moving bed biofilm (MBBR)-carriers to understand the degradation of mecoprop. As a model, the carriers were incubated in effluent from a conventional wastewater treatment plant which was spiked to 10, 50 and 100 μg L(-1) mecoprop. Co-metabolic processes as well as mineralization were studied. Initial mecoprop concentration and mecoprop degradation impacted the microbial communities...
May 17, 2017: Water Research
https://www.readbyqxmd.com/read/28544806/can-soil-microbial-diversity-influence-plant-metabolites-and-life-history-traits-of-a-rhizophagous-insect-a-demonstration-in-oilseed-rape
#11
Tom Lachaise, Morgane Ourry, Lionel Lebreton, Anne-Yvonne Guillerm-Erckelboudt, Juliette Linglin, Chrystelle Paty, Valérie Chaminade, Nathalie Marnet, Julie Aubert, Denis Poinsot, Anne-Marie Cortesero, Christophe Mougel
Interactions between plants and phytophagous insects play an important part in shaping the biochemical composition of plants. Reciprocally plant metabolites can influence major life history traits in these insects and largely contribute to their fitness. Plant rhizospheric microorganisms are an important biotic factor modulating plant metabolites and adaptation to stress. While plant-insects or plant-microorganisms interactions and their consequences on the plant metabolite signature are well-documented, the impact of soil microbial communities on plant defenses against phytophagous insects remains poorly known...
May 23, 2017: Insect Science
https://www.readbyqxmd.com/read/28544011/changing-trends-in-the-use-of-kratom-mitragyna-speciosa-in-southeast-asia
#12
Darshan Singh, Suresh Narayanan, Balasingam Vicknasingam, Ornella Corazza, Rita Santacroce, Andres Roman-Urrestarazu
OBJECTIVE: Kratom (Mitragyna speciosa. Korth) is an indigenous medicinal plant of Southeast Asia. This review paper aims to describe the trends of kratom use in Southeast Asia. DESIGN: A literature review search was conducted through ScienceDirect, Scopus, ProMed and Google Scholar. Twenty-five articles illustrating kratom use in humans in Southeast Asia were reviewed. RESULTS: Kratom has long been used by rural populations in Southeast Asia as a remedy for common ailments, to fight fatigue from hard manual work, as a drink during social interaction among men, and in village religious functions...
May 24, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28543995/the-effects-of-restoring-logged-tropical-forests-on-avian-phylogenetic-and-functional-diversity
#13
Cindy C P Cosset, David P Edwards
Selective logging is the most prevalent land-use change in the tropics. Despite the resulting degradation of forest structure, selectively logged forests still harbour a substantial amount of biodiversity leading to suggestions that their protection is the next best alternative to conserving primary, old-growth forests. Restoring carbon stocks under Reducing Emissions from Deforestation and Forest Degradation (REDD+) schemes is a potential method for obtaining funding to protect logged forests, via enrichment planting and liberation cutting of vines...
May 24, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28543691/emergent-macrophytes-modify-the-abundance-and-community-composition-of-ammonia-oxidizers-in-their-rhizosphere-sediments
#14
Dayong Zhao, Xiaowei He, Rui Huang, Wenming Yan, Zhongbo Yu
Ammonia oxidation is a crucial process in global nitrogen cycling, which is catalyzed by the ammonia oxidizers. Emergent plants play important roles in the freshwater ecosystem. Therefore, it is meaningful to investigate the effects of emergent macrophytes on the abundance and community composition of ammonia oxidizers. In the present study, two commonly found emergent macrophytes (Zizania caduciflora and Phragmitas communis) were obtained from freshwater lakes and the abundance and community composition of the ammonia-oxidizing prokaryotes in the rhizosphere sediments of these emergent macrophytes were investigated...
May 22, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28543616/experimental-soil-warming-shifts-the-fungal-community-composition-at-the-alpine-treeline
#15
Emily F Solly, Björn D Lindahl, Melissa A Dawes, Martina Peter, Rômulo C Souza, Christian Rixen, Frank Hagedorn
Increased CO2 emissions and global warming may alter the composition of fungal communities through the removal of temperature limitation in the plant-soil system, faster nitrogen (N) cycling and changes in the carbon (C) allocation of host plants to the rhizosphere. At a Swiss treeline featuring Larix decidua and Pinus uncinata, the effects of multiple years of CO2 enrichment and experimental soil warming on the fungal community composition in the organic horizons were analysed using 454-pyrosequencing of ITS2 amplicons...
May 22, 2017: New Phytologist
https://www.readbyqxmd.com/read/28542542/comparative-analysis-of-bacterial-community-structure-in-the-rhizosphere-of-maize-by-high-throughput-pyrosequencing
#16
Yi Yang, Na Wang, Xinyan Guo, Yi Zhang, Boping Ye
In this study, we designed a microcosm experiment to explore the composition of the bacterial community in the rhizosphere of maize and bulk soil by sequencing the V3-V4 region of the 16S rRNA gene on the Illumina system. 978-1239 OTUs (cut off level of 3%) were found in rhizosphere and bulk soil samples. Rhizosphere shared features with the bulk soil, such as predominance of Acidobacteria, Proteobacteria, Actinobacteria, Bacteroidetes, Chloroflexi, Firmicutes, Gemmatimonadetes and TM7. At genus level, many of the dominant rhizosphere genera (Chitinophaga, Nitrospira, Flavobacterium, etc...
2017: PloS One
https://www.readbyqxmd.com/read/28539923/analysis-on-fungal-diversity-in-rhizosphere-soil-of-continuous-cropping-potato-subjected-to-different-furrow-ridge-mulching-managements
#17
Shuhao Qin, Stephen Yeboah, Xuexue Xu, Yuhui Liu, Bin Yu
Knowledge about fungi diversity following different planting patterns could improve our understanding of soil processes and thus help us to develop sustainable management strategies. The objective of this study was to determine the impact of different furrow-ridge mulching techniques on fungal diversity in rhizosphere soil under continuous cropping system. The investigated treatments were: flat plot without mulch (CK); flat plot with mulch (T1); on-ridge planting with full mulch (T2); on-furrow planting with full mulch (T3); on-ridge planting with half mulch (T4); and on-furrow planting with half mulch (T5)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28539641/revealing-the-insoluble-metasecretome-of-lignocellulose-degrading-microbial-communities
#18
Anna M Alessi, Susannah M Bird, Joseph P Bennett, Nicola C Oates, Yi Li, Adam A Dowle, Igor Polikarpov, J Peter W Young, Simon J McQueen-Mason, Neil C Bruce
Microbial communities metabolize plant biomass using secreted enzymes; however, identifying extracellular proteins tightly bound to insoluble lignocellulose in these microbiomes presents a challenge, as the rigorous extraction required to elute these proteins also lyses the microbes associated with the plant biomass releasing intracellular proteins that contaminate the metasecretome. Here we describe a technique for targeting the extracellular proteome, which was used to compare the metasecretome and meta-surface-proteome of two lignocellulose-degrading communities grown on wheat straw and rice straw...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28538736/leaf-bacterial-diversity-mediates-plant-diversity-and-ecosystem-function-relationships
#19
Isabelle Laforest-Lapointe, Alain Paquette, Christian Messier, Steven W Kembel
Research on biodiversity and ecosystem functioning has demonstrated links between plant diversity and ecosystem functions such as productivity. At other trophic levels, the plant microbiome has been shown to influence host plant fitness and function, and host-associated microbes have been proposed to influence ecosystem function through their role in defining the extended phenotype of host organisms However, the importance of the plant microbiome for ecosystem function has not been quantified in the context of the known importance of plant diversity and traits...
May 24, 2017: Nature
https://www.readbyqxmd.com/read/28536847/an-empirical-investigation-of-the-possibility-of-adaptability-of-arbuscular-mycorrhizal-fungi-to-new-hosts
#20
Akihiro Koyama, Olivia Pietrangelo, Laura Sanderson, Pedro M Antunes
Little is known about the adaptive capacity of arbuscular mycorrhizal (AM) fungi to novel hosts. Here we assessed the possibility of two heterospecific AM fungal isolates to adaptively change, in terms of host biomass response, as a function of host plant identity, over the course of a growing season. First, we produced pure inocula of Rhizophagus clarus and Rhizophagus intraradices, each starting from a single spore. Second, we "trained" each isolate individually in a community with two plants, sudangrass (Sorgum bicolour subsp...
May 24, 2017: Mycorrhiza
keyword
keyword
87091
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"