keyword
MENU ▼
Read by QxMD icon Read
search

Pgpr

keyword
https://www.readbyqxmd.com/read/27924118/native-halo-tolerant-plant-growth-promoting-rhizobacteria-enterococcus-and-pantoea-sp-improve-seed-yield-of-mungbean-vigna-radiata-l-under-soil-salinity-by-reducing-sodium-uptake-and-stress-injury
#1
Meenu Panwar, Rupinder Tewari, Harsh Nayyar
The beneficial microbial-plant interaction plays important role in the soil health, crop growth and productivity. Plant growth promoting rhizobacteria (PGPR) are such beneficial microorganisms, which in association with plant roots not only promote their growth but also help in counteracting the detrimental effects of soil stresses. Salt stress is one such stress, frequently confronted by the plants. The present study aimed at isolation and identification of PGPR inhabiting the mungbean rhizosphere, testing them for salt (NaCl) tolerance and subsequently in salt-supplemented mungbean crop...
October 2016: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/27921398/effects-of-rhizobacteria-paenibacillus-polymyxa-apec136-and-bacillus-subtilis-apec170-on-biocontrol-of-postharvest-pathogens-of-apple-fruits
#2
Young Soo Kim, Kotnala Balaraju, Yongho Jeon
In this study, plant growth-promoting rhizobacteria (PGPR) were evaluated as potential biocontrol agents against postharvest pathogens of apple fruits. In vitro bioassays revealed that, out of 30 isolates screened, isolates APEC136 and APEC170 had the most significant inhibitory effects against the mycelial growth of several fungal pathogens. Analysis of 16S ribosomal RNA (rRNA) sequences identified the two effective isolates as Paenibacillus polymyxa and Bacillus subtilis, respectively. The two strains showed greater growth in brain-heart infusion broth than in other growth media...
2016: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/27920781/inoculation-of-schizolobium-parahyba-with-mycorrhizal-fungi-and-plant-growth-promoting-rhizobacteria-increases-wood-yield-under-field-conditions
#3
Martha V T Cely, Marco A Siviero, Janaina Emiliano, Flávia R Spago, Vanessa F Freitas, André R Barazetti, Erika T Goya, Gustavo de Souza Lamberti, Igor M O Dos Santos, Admilton G De Oliveira, Galdino Andrade
Schizolobium parahyba var. amazonicum (Huber ex Ducke) occurs naturally in the Brazilian Amazon. Currently, it is being planted extensively because of its fast growth and excellent use in forestry. Consequently, there is great interest in new strategies to increase wood production. The interaction between soil microorganisms and plants, specifically in the roots, provides essential nutrients for plant growth. These interactions can have growth-promoting effects. In this way, this study assessed the effect of the inoculation with arbuscular mycorrhizal fungi (AMF) and plant growth-promoting rhizobacteria (PGPR) on growth of S...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27914208/effect-of-rhizobacterial-consortia-from-undisturbed-arid-and-agro-ecosystems-on-wheat-growth-under-differing-conditions
#4
N G Inostroza, P J Barra, L Y Wick, M L Mora, M A Jorquera
Plant-growth promoting rhizobacteria (PGPR) are studied as complements/alternatives to chemical fertilization in agriculture. Poor information however, exists on the potential of PGPR from undisturbed ecosystems. Here, we evaluated the plant growth-promoting (PGP) effect of rhizobacterial consortia from undisturbed Chilean arid-ecosystems (Consortium C1) and agro-ecosystems (Consortium C2) on plant biomass production. The PGP effects of C1 and C2 were assayed in wheat seedlings (Triticum aestivum L.) grown in pots under growth chamber conditions and in pots placed in an open greenhouse under natural conditions, using two different Chilean Andisols (Piedras Negras and Freire series) kept either at 30% or 60% of their maximum water holding capacity (MWHC)...
December 3, 2016: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/27864849/impact-of-plant-growth-promoting-rhizobacteria-on-root-colonization-potential-and-life-cycle-of-rhizophagus-irregularis-following-co-entrapment-into-alginate-beads
#5
Paul Loján, Marion Demortier, Siva L S Velivelli, Stefan Pfeiffer, Juan Pablo Suárez, Paul de Vos, Barbara Doyle Prestwich, Angela Sessitsch, Stéphane Declerck
AIMS: This study aimed at evaluating the impact of seven plant growth-promoting rhizobacteria (PGPR) on root colonization and life cycle of Rhizophagus irregularis MUCL 41833 when co-entrapped in alginate beads. METHODS AND RESULTS: Two in vitro experiments were conducted. The first consisted in the immobilization of R. irregularis and seven PGPR isolates into alginate beads to assess the effect of the bacteria on the pre-symbiotic growth of the fungus. In the second experiment, the best-performing PGPR from experiment 1 was tested on its ability to promote the symbiotic development of the AMF in potato plantlets from three cultivars...
November 19, 2016: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/27847812/comparative-genomic-analysis-of-delftia-tsuruhatensis-mtq3-and-the-identification-of-functional-nrps-genes-for-siderophore-production
#6
Haimeng Guo, Yanan Yang, Kai Liu, Wenfeng Xu, Jianyong Gao, Hairong Duan, Binghai Du, Yanqin Ding, Chengqiang Wang
Plant growth-promoting rhizobacteria (PGPR) are a group of rhizosphere bacteria that promote plant growth. Delftia tsuruhatensis MTQ3 is a member of PGPR that produces siderophores. The draft genome sequence of MTQ3 has been reported. Here, we analyzed the genome sequence of MTQ3 and performed a comparative genome analysis of four sequenced Delftia strains, revealing genetic relationships among these strains. In addition, genes responsible for bacteriocin and nonribosomal peptide synthesis were detected in the genomes of each strain...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27790198/halotolerant-rhizobacteria-promote-growth-and-enhance-salinity-tolerance-in-peanut
#7
Sandeep Sharma, Jayant Kulkarni, Bhavanath Jha
Use of Plant growth promoting rhizobacteria (PGPR) is a promising strategy to improve the crop production under optimal or sub-optimal conditions. In the present study, five diazotrophic salt tolerant bacteria were isolated from the roots of a halophyte, Arthrocnemum indicum. The isolates were partially characterized in vitro for plant growth promoting traits and evaluated for their potential to promote growth and enhanced salt tolerance in peanut. The 16S rRNA gene sequence homology indicated that these bacterial isolates belong to the genera, Klebsiella, Pseudomonas, Agrobacterium, and Ochrobactrum...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27739900/the-effect-of-plant-growth-promoting-rhizobacteria-on-the-phytoextraction-of-cd-and-zn-by-brassica-napus-l
#8
G Dąbrowska, K Hrynkiewicz, A Trejgell, C Baum
The test strains Bacteroidetes bacterium (Ba), Pseudomonas fluorescens (Pf) and Variovorax sp. (Va) were selected in advance for their in vitro capability for growth promotion of rapeseed in the presence of increased concentrations of Cd, Cu, Pb and Zn in the medium. In the pot experiment the strains were used for single Ba, Pf, Va or combined Ba+Pf, Ba+Va, Pf+Va, Ba+Pf+Va inoculation of B. napus growing in contaminated soil from alluvial deposits. The positive effect of bacterial strains on plant growth was observed in vitro, but was not confirmed in situ in the contaminated soil, where the tested strains inhibited biomass production, rather than stimulating it...
October 14, 2016: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/27708387/plant-growth-promoting-rhizobacteria-dietzia-natronolimnaea-modulates-the-expression-of-stress-responsive-genes-providing-protection-of-wheat-from-salinity-stress
#9
Nidhi Bharti, Shiv Shanker Pandey, Deepti Barnawal, Vikas Kumar Patel, Alok Kalra
Plant growth promoting rhizobacteria (PGPR) hold promising future for sustainable agriculture. Here, we demonstrate a carotenoid producing halotolerant PGPR Dietzia natronolimnaea STR1 protecting wheat plants from salt stress by modulating the transcriptional machinery responsible for salinity tolerance in plants. The expression studies confirmed the involvement of ABA-signalling cascade, as TaABARE and TaOPR1 were upregulated in PGPR inoculated plants leading to induction of TaMYB and TaWRKY expression followed by stimulation of expression of a plethora of stress related genes...
October 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27682316/antibacterial-effects-of-volatiles-produced-by-bacillus-strain-d13-against-xanthomonas-oryzae-pv-oryzae
#10
Shanshan Xie, Haoyu Zang, Huijun Wu, Uddin Rajer Faheem, Xuewen Gao
Recent investigations have demonstrated that bacteria employ the volatile compounds they produce during interactions with other organisms such as plants, fungi, nematodes and bacteria. However, studies focused on the antibacterial activity of plant growth promoting rhizobacteria (PGPR) volatiles against bacterial phytopathogens are still rare. In this study, Bacillus strain D13, which is antagonistic to Xanthomonas oryzae pv. oryzae (Xoo), was isolated and screened. Volatile compounds emitted from strain D13 reduced the colony diameter and cell motility of Xoo cultured in divided Petri plates...
September 29, 2016: Molecular Plant Pathology
https://www.readbyqxmd.com/read/27660605/lettuce-and-rhizosphere-microbiome-responses-to-growth-promoting-pseudomonas-species-under-field-conditions
#11
Matheus A P Cipriano, Manoeli Lupatini, Lucilene Lopes-Santos, Márcio J da Silva, Luiz F W Roesh, Suzete A L Destéfano, Sueli S Freitas, Eiko E Kuramae
Plant growth promoting rhizobacteria (PGPR) are well described and recommended for several crops worldwide. However, one of the most common problems in PGPR research is the difficulty in obtaining reproducible results. Furthermore, few studies have evaluated plant growth promotion and soil microbial community composition due to bacterial inoculation under field conditions. Here we evaluated the effect of 54 Pseudomonas strains on lettuce (Lactuca sativa) growth. The 12 most promising strains were phylogenetically and physiologically characterized for plant growth-promoting traits including phosphate solubilization, hormone production and antagonism to pathogen compounds and their effect on plant growth under farm field conditions...
September 21, 2016: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/27652147/crop-management-as-a-driving-force-of-plant-growth-promoting-rhizobacteria-physiology
#12
Juliana Melo, Manuela Carolino, Luís Carvalho, Patrícia Correia, Rogério Tenreiro, Sandra Chaves, Ana I Meleiro, Sávio B de Souza, Teresa Dias, Cristina Cruz, Alessandro C Ramos
Crop management systems influence plant productivity and nutrient use efficiency, as well as plant growth-promoting rhizobacteria (PGPR), which are known to influence the growth of plants via phytohormone production, phosphate solubilization, nitrogen (N) fixation and antimicrobial activity. The objective of this study was to compare the influence of two crop management system on microbial PGPR features. PGPR isolated from the rhizospheres of Carica papaya L. grown under two distinct management systems (conventional and organic) were identified and characterized...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27620529/rhizobacteria-and-plant-symbiosis-in-heavy-metal-uptake-and-its-implications-for-soil-bioremediation
#13
Dana Luminița Sobariu, Daniela Ionela Tudorache Fertu, Mariana Diaconu, Lucian Vasile Pavel, Raluca-Maria Hlihor, Elena Niculina Drăgoi, Silvia Curteanu, Markus Lenz, Philippe François-Xavier Corvini, Maria Gavrilescu
Certain species of plants can benefit from synergistic effects with plant growth-promoting rhizobacteria (PGPR) that improve plant growth and metal accumulation, mitigating toxic effects on plants and increasing their tolerance to heavy metals. The application of PGPR as biofertilizers and atmospheric nitrogen fixators contributes considerably to the intensification of the phytoremediation process. In this paper, we have built a system consisting of rhizospheric Azotobacter microbial populations and Lepidium sativum plants, growing in solutions containing heavy metals in various concentrations...
September 9, 2016: New Biotechnology
https://www.readbyqxmd.com/read/27613104/management-of-blight-of-bell-pepper-capsicum-annuum-var-grossum-caused-by-drechslera-bicolor
#14
Kuldeep Singh Jadon, Rakesh Shah, Hari Narayan Gour, Pankaj Sharma
Sweet or bell pepper is a member of the Solanaceae family and is regarded as one of the most popular and nutritious vegetable. Blight, in the form of leaf and fruit blight, has been observed to infect bell pepper crops cultivated at the horticulture farm in Rajasthan College of Agriculture, Udaipur, India. Based on disease severity, we attempted to curb this newly emerged problem using different fungicides, plant extracts, bio-control agents, and commercial botanicals against the fungus in laboratory and pot experiments...
October 2016: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/27610110/fluorescent-pseudomonas-strains-with-only-few-plant-beneficial-properties-are-favored-in-the-maize-rhizosphere
#15
Jordan Vacheron, Yvan Moënne-Loccoz, Audrey Dubost, Maximilien Gonçalves-Martins, Daniel Muller, Claire Prigent-Combaret
Plant Growth-Promoting Rhizobacteria (PGPR) enhance plant health and growth using a variety of traits. Effective PGPR strains typically exhibit multiple plant-beneficial properties, but whether they are better adapted to the rhizosphere than PGPR strains with fewer plant-beneficial properties is unknown. Here, we tested the hypothesis that strains with higher numbers of plant-beneficial properties would be preferentially selected by plant roots. To this end, the co-occurrence of 18 properties involved in enhanced plant nutrition, plant hormone modulation, or pathogen inhibition was analyzed by molecular and biochemical methods in a collection of maize rhizosphere and bulk soil isolates of fluorescent Pseudomonas...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27607023/amelioration-of-drought-tolerance-in-wheat-by-the-interaction-of-plant-growth-promoting-rhizobacteria
#16
Iti Gontia-Mishra, Swapnil Sapre, Anubha Sharma, Sharad Tiwari
RATIONALE: Drought stress adversely affects the growth and yield of wheat. The present study was planned to investigate the effect of inoculation of plant-growth promoting rhizobacteria (PGPR) strains IG 3 (Klebsiella sp.), IG 10 (Enterobacter ludwigii) and IG 15 (Flavobacterium sp.) in improving drought tolerance in wheat. METHODS: These PGPR strains were screened for drought tolerance in nutrient broth supplemented with different concentrations (0-25%) of polyethylene glycol (PEG6000)...
September 8, 2016: Plant Biology
https://www.readbyqxmd.com/read/27574521/amino-acids-hydrolyzed-from-animal-carcasses-are-a-good-additive-for-the-production-of-bio-organic-fertilizer
#17
Hongjun Liu, Dandan Chen, Ruifu Zhang, Xinnan Hang, Rong Li, Qirong Shen
High-quality bio-organic fertilizers (BIOs) cannot be produced without the addition of some proteins. In this study, compound liquid amino acids (CLAA) from animal carcasses were utilized as additives into matured composts to create novel BIOs containing plant growth-promoting rhizobacteria (PGPR). The results showed that adding CLAA and inoculating bacteria meanwhile resulted in failed solid-state fermentation (SSF) due to the higher H(+) contents. While after pre-compost for 4 days before PGPR inoculation, treatments of matured chicken or pig manure added with 0...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27522210/assessment-of-plant-growth-promoting-bacterial-populations-in-the-rhizosphere-of-metallophytes-from-the-kettara-mine-marrakech
#18
L Benidire, S I A Pereira, P M L Castro, A Boularbah
Soil heavy metal contamination resulting from mining activities constitutes a major environmental problem worldwide. The spread of heavy metals is often facilitated by scarce vegetation cover, so there is an urgent need to improve plant survival and establishment in these metalliferous areas. This study is aimed at the isolation and analysis of the phylogenetic relationship of culturable bacteria from the rhizosphere of metallophyte plants growing in the Kettara mine, in Marrakech, in order to select plant growth-promoting rhizobacteria (PGPR), which could be used in assisted-phytoremediation...
August 13, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27513952/comparative-digital-gene-expression-analysis-of-the-arabidopsis-response-to-volatiles-emitted-by-bacillus-amyloliquefaciens
#19
Hai-Ting Hao, Xia Zhao, Qian-Han Shang, Yun Wang, Zhi-Hong Guo, Yu-Bao Zhang, Zhong-Kui Xie, Ruo-Yu Wang
Some plant growth-promoting rhizobacteria (PGPR) regulated plant growth and elicited plant basal immunity by volatiles. The response mechanism to the Bacillus amyloliquefaciens volatiles in plant has not been well studied. We conducted global gene expression profiling in Arabidopsis after treatment with Bacillus amyloliquefaciens FZB42 volatiles by Illumina Digital Gene Expression (DGE) profiling of different growth stages (seedling and mature) and tissues (leaves and roots). Compared with the control, 1,507 and 820 differentially expressed genes (DEGs) were identified in leaves and roots at the seedling stage, respectively, while 1,512 and 367 DEGs were identified in leaves and roots at the mature stage...
2016: PloS One
https://www.readbyqxmd.com/read/27507978/the-root-hair-specific-syp123-regulates-the-localization-of-cell-wall-components-and-contributes-to-rizhobacterial-priming-of-induced-systemic-resistance
#20
Cecilia Rodriguez-Furlán, Hernán Salinas-Grenet, Omar Sandoval, Camilo Recabarren, Paulina Arraño-Salinas, Sylvana Soto-Alvear, Ariel Orellana, Francisca Blanco-Herrera
Root hairs are important for nutrient and water uptake and are also critically involved the interaction with soil inhabiting microbiota. Root hairs are tubular-shaped outgrowths that emerge from trichoblasts. This polarized elongation is maintained and regulated by a robust mechanism involving the endomembrane secretory and endocytic system. Members of the syntaxin family of SNAREs (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) in plants (SYP), have been implicated in regulation of the fusion of vesicles with the target membranes in both exocytic and endocytic pathways...
2016: Frontiers in Plant Science
keyword
keyword
24814
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"