The reduction of chemical inputs due to fertilizer and pesticide applications is a target shared both by farmers consumers in order minimize the side effects for human environmental health. Among possible strategies, use biostimulants has become increasingly important as demonstrated fast growth their global market increased rate registration new products. In this work, we assessed five bacteri...

The Bacillus subtilis yts, yxd and yvc gene clusters encode a putative ABC transporter and a functionally coupled two-component system. When tested for their sensitivity towards a series of antibiotics, null yts mutants were found to be sensitive to bacitracin. Real-time polymerase chain reaction (PCR) experiments demonstrated that the presence of bacitracin in the growth medium strongly stimul...

Anthocyanins are a group of common phenolic compounds in plants. They are mainly detected in flowers and fruits, are believed to play different important roles such as in the attraction of animals and seed dispersal, and also in the increase of the antioxidant response in tissues directly or indirectly affected by biotic or abiotic stress factors. As a major group of secondary metabolites in pl...

Plant growth promoting endophytic bacteria (PGPB) isolated from Brassica napus were inoculated in two cultivars of Helianthus tuberosus (VR and D19) growing on sand supplemented with 0.1 mM Cd or 1 mM Zn. Plant growth, concentrations of metals and thiobarbituric acid (TBA) reactive compounds were determined. Colonization of roots of H. tuberosus D19 by Pseudomonas sp. 262 was evaluated using co...

*Corresponding Author E-mail: [email protected] Tel.: +86-022-84861931 Fax: +86-022-84861931 ‘Biofertilizers’ have been defined as alternative substances, to chemical fertilizers, which can stimulate plant growth and increase yield. Plant growth promoting bacteria (PGPB) represent the main component of biofertilizers. We chose seven bacteria with higher nitrogenase activity, from twenty-nine ...

In recent years, plant growth promoting bacteria (PGPB) have been used as biofertilizers that increase agricultural productivity and resistance to changing environmental conditions such drought, salinity heat stress. One of the proposed new approaches productivity, especially under stress conditions, is using algae extracts, which usually consist naturally occurring bioactive compounds. Paeniba...

Circular and linear amplicons were analyzed in detail in Leishmania tropica cells resistant to methotrexate (MTX). Both types of elements presented sequences related to the H locus and coexisted in resistant cells. The linear amplicons appeared first during the selection process (at 10 microM MTX) and varied with regard to size and structure in cells exposed to increasing concentrations of drug...

An assessment of the current state of bacterial inoculants for c ontemporary agriculture in developed and developing countries is critically evaluated from the point of view of their actual status and future use. Special emphasis is given to two new concepts of inoculation, as yet unavailable commercially: (i) synthetic inoculants under development for plant-growth promoting bacteria (PGPB) (Ba...

A total of twenty five endophytic bacteria were isolated from green gram Vigna radiata (L.) plant. Four isolates which have shown better response for plant growth promoting effects on green gram plants were used as Plant Growth Promoting Bacteria (PGPB) in this study. It has been detected that up to 40% of the genomic 16S rRNA of isolated bacteria belongs to the Azotobacter genus. The result fo...