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Developing microbe-plant interactions for applications in plant-growth…

- - - - nifH gene
        
        N-fixing activity
    - - such as iron or phosphate
  - - - Rhizosphere bacteria and phyllosphere colonizing epiphytes have been shown to produce a range of plant growth stimulating phytohormones
      - 3 strains of
        Bradyrhizobium japonicum
        
        have differential capability to produce the five major phytohormones: auxins, cytokinins,
        gibberellic acid (GA3), abscisic acid (ABA) and ethylene
        
        имеют разный эффект на растения по отдельности и в сочетании
      - auxin compound indole-3-acetic acid (IAA)
        
        синтезируется бактериями через разные пути
        
        синтез описан у
        
        Gluconacetobacter diazotrophicus
        
        Bacillus amyloliquefaciens
        
        Pseudomonas putida
        
        the bacterial production of
        IAA may not always be beneficial for plant
        
        high concentration of IAA can also inhibit root cell growth
      - Ethylene
        
        plant growth, development and
        modulation of responses to biotic and abiotic stresses.
        
        lowering the
        endogenous ethylene level in planta
        
        Pseudomonas spp., Burkholderia caryophylli, Achromobacter piechaudii
        
        by producing a degradative enzyme 1-
        aminocyclopropane-1-carboxylic acid (ACC)-deaminase
        
        ACC-deaminase producing rhizobacteria
        
        included increased root growth
        
        improved tolerance of salt and water stress
      - Cytokinins
        
        promote cell division in
        conjunction with auxin, induce stomata-opening
        
        продуцирующие бактерии
        
        Bacillus subtilis
- - - - Systemic acquired resistance (SAR)
        
        включает
        
        local increase in phytohormone accumulation
        
        formation of phloem mobile signal
      - induced systemic
        resistance (ISR)
        
        A major distinction between SAR and ISR is the involvement of
        salicylic acid (SA), with ISR being activated via a SA-independent pathway. :!:
  - - - carAB
        
        genes required for degradation of a
        fatty acid signaling molecule
        
        продукция рекомбинантными штаммами уменьшает вирулентность Xanthomonas
        sp. и Xylella fastidiosa
    - - M. truncatula
      - acyl-homoserine-lactones
        (AHL)
        
        engineered tobacco plants
        
        AHL was transported and secreted on the
        phyllosphere and in the rhizosphere
        
        positive effect in protecting plants against pathogens
        
        gene called qsdA (for quorum-sensing signal degradation) from Rhodococcus erythropolis, encoding a new type of AHL-lactonase has been characterized.
- - - - bioactive compound in S. miltiorrhiza bunge root, used in Chinese medicine, for the treatment of menstrual disorders and cardiovascular diseases and prevention of inflammation
        
        Bacillus sp.
    - - used in cosmetics and perfumery,
        is one component of vetiver root essential oil synthesis
        
        Rhizobacteria was shown to induce
    - - inhibits mitosis and leads to cell cycle arrest,
        and has potential as an antitumor drug
        
        fungus Rhizopus
        microsporus, Burkholderia sp.
    - - Herbaspirillum seropedicae
- - - - polychorinated biphenyl (PCB) and 4-chloronitrobenzene (4CNB) не разлагаются
        
        PCB-degrader
        
        most of them Rhodococcus sp.
      - растения усиливают деградацию соединений бактериями
        
        Arabidopsis + P. putida
        
        More interestingly, close to 90% of PCB was degraded in soil adhering to the roots indicating that direct contact with roots and the exudates resulted in bacteria growth and biodegradation enhancement.
    - - trichloroethylene
        (TCE) and BTEX (benzene, toluene, ethylbenzene, xylene)
        
        released into the
        atmosphere through the plant’s vascular system
        
        toluene monooxygenase (tom)
        
        Burkholderia cepacia
        
        horizontal gene transfer of the recombinant plasmid encoding the toluene degradation
        pathway другим мко
    - - strains of rhizosphere Streptomyces and Agromyces
        and the strains ability to produce indole acetic acid (IAA) and siderophore
        
        No correlation was observed between IAA and siderophore production and metal
        accumulation
      - P. putida + sunflower plants (Helianthus annuus)
        
        P. putida expressed a synthetic phytochelatin, EC20
        
        exhibited inherent cadmium
        resistance