Hamed Azarbad

Hamed Azarbad
Philipps University of Marburg | PUM · Faculty of Biology

PhD

About

17
Publications
3,526
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391
Citations
Introduction
My research focused on the role of plant-soil-microbe feedbacks and the potential of the root microbiome to enhance the ability of wheat to tolerate stressful environments such as drought.
Additional affiliations
October 2019 - present
Philipps University of Marburg
Position
  • Research Assistant
January 2016 - September 2019
Centre INRS-Institut Armand-Frappier
Position
  • PostDoc Position
Description
  • I worked on plant-microbe interaction (using state-of-the-art molecular tools). The first part of the project linked wheat microbiome components to an increased resistance to abiotic stresses.
November 2010 - December 2014
Vrije Universiteit Amsterdam
Position
  • PhD

Publications

Publications (17)
Article
Full-text available
In a field experiment, we evaluated the impact of 37 years of contrasting water stress history on the microbial response in various plant compartments at two distinct developmental stages when four wheat genotypes were exposed to contemporary water stress. Seeds were collected and sampled at the end of the experiment to characterize endophytic and...
Article
Full-text available
Global changes will result in altered precipitation patterns, among which the increasing frequency of drought events has the highest deleterious potential for agriculture. Soil microbes have shown some promise to help crops adapt to drought events, but it is uncertain how crop-associated microorganisms will respond to altered precipitation patterns...
Article
Full-text available
In recent years, agricultural productivity has been affected dramatically by climate-related events such as drought. On the other hand, agricultural intensification is expected to increase to satisfy the need for increased global food production. Microbes associated with soil and plants produce a range of bioactive natural products that significant...
Article
Full-text available
Next-generation sequencing is one of the most popular and cost-effective ways of characterizing microbiome in multiple samples. However, most of the currently available amplicon sequencing approaches are limited, as they result in relative abundance profiles of microbial taxa, which does not represent actual abundance in the environment. Here, we c...
Article
Drought is a serious menace to agriculture across the world. However, it is still not clear how this will affect crop-associated microbial communities. Here, we experimentally manipulated precipitation in the field for two years and compared the bacterial communities associated with leaves, roots, and rhizosphere soils of two different wheat genoty...
Preprint
Full-text available
Next-generation sequencing is recognized as one of the most popular and cost-effective way of characterizing microbiome in multiple samples. However, most of the currently available amplicon sequencing approaches are inherently limited, as they are often presented based on the relative abundance of microbial taxa, which may not fully represent actu...
Article
Full-text available
Soil organic matter (SOM) in boreal forests is an important carbon sink. The aim of this study was to assess and to detect factors controlling the temperature sensitivity of SOM decomposition. Soils were collected from Scots pine, Norway spruce, silver birch, and mixed forests (O horizon) in northern Finland, and their basal respiration rates at fi...
Article
Full-text available
There is little understanding about how soil water stress history and host genotype influence the response of wheat-associated microbiome under short-term decreases in soil moisture. To address this, we investigated how plant breeding history (four wheat genotypes; two with recognized drought resistance and two without) and soil water stress histor...
Article
Full-text available
Here, we tested if inoculating microbial communities adapted to water stress would increase wheat resistance to water stress. Wheat plants were grown for four weeks in high and low diversity soils under well-watered conditions, after which they were subjected to a water stress. After another two weeks, the rhizospheres were inoculated with microbia...
Article
Different crop genotypes and soils with different water stress histories are known to harbour different microorganisms, but their relative effect on the response of plant-associated microbes to water stress is not known. In a pot experiment, four wheat genotypes (two with recognized drought resistance and two without) were grown in semi-arid soils...
Article
Full-text available
Many microbial ecology studies have demonstrated profound changes in community composition caused by environmental pollution, as well as adaptation processes allowing survival of microbes in polluted ecosystems. Soil microbial communities in polluted areas with a long-term history of contamination have been shown to maintain their function by devel...
Article
Full-text available
We examined how the exposure to secondary stressors affected the functional and compositional responses of microbial communities along two metal pollution gradients in Polish forests and whether responses were influenced by the level of metal pollution. Basal respiration rate and community composition, as determined by 16S rRNA gene-based dena-turi...
Article
Full-text available
Despite the global importance of forests, it is virtually unknown how their soil microbial communities adapt at the phylogenetic and functional level to long-term metal pollution. Studying 12 sites located along two distinct gradients of metal pollution in Southern Poland revealed that functional potential and diversity (assessed using GeoChip 4.2)...
Article
Toxic effects of heavy metals on soil microorganisms have been confirmed in a number of laboratory studies. However, most real-field studies do not allow for strong general conclusions due to a range of problems, such as pseudoreplication and confounding factors, which are almost impossible to control for with the most commonly used polluted-vs.-un...
Article
Full-text available
Effective treatments of industrial waste streams and toxic spills containing heavy metals related with rapid removal of metal ions at high concentrations. Influences of clearance and absorption rates on two heavy metals (copper and cadmium) by saccustrea cucullata originated from mangrove ecosystem in the Northern Persian Gulf were investigated. Sp...

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Projects

Projects (2)
Project
Améliorer la résistance du blé via une communauté synthétique des microorganismes du blé
Project
In the environment, plants and associated microbes are not active as separate entities but are interacting among themselves and with the other abiotic factors. The host plant and its microbiota can therefore be considered as part of holobiont (holo=whole and biont=organims). The principal aim of this project is to determine the response of the wheat holobiont to drought stress. The findings will be useful to manipulate the holobiont for the betterment of quality and quantity of wheat.