Temat: endophytic bacteria - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Genomic Analysis of Plant-Associated Bacteria and Their Potential in Enhancing Phytoremediation Efficiency
Autorzy:: Piński, A.
Hupert-Kocurek, K.
Powiązania:: https://bibliotekanauki.pl/articles/125404.pdf
Data publikacji:: 2017
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: endophytic bacteria
rhizospheric bacteria
Stenotrophomonas maltophilia
heavy metals
phytoremediation
xenobiotics
Opis:: Phytoremediation is an emerging technology that uses plants in order to cleanup pollutants including xenobiotics and heavy metals from soil, water and air. Inoculation of plants with plant growth promoting endophytic and rhizospheric bacteria can enhance efficiency of phytoremediation. Genomic analysis of four plant-associated strains belonging to the Stenotrophomonas maltophilia species revealed the presence of genes encoding proteins involved in plant growth promotion, biocontrol of phytopathogens, biodegradation of xenobiotics, heavy metals resistance and plant-bacteria-environment interaction. The results of this analysis suggest great potential of bacteria belonging to Stenotrophomonas maltophilia species in enhancing phytoremediation efficiency.
Źródło:: Journal of Ecological Engineering; 2017, 18, 4; 152-159
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Siderophore Production of the Hg-Resistant Endophytic Bacteria Isolated from Local Grass in the Hg-Contaminated Soil
Autorzy:: Ustiatik, Reni
Nuraini, Yulia
Suharjono, -
Handayanto, Eko
Powiązania:: https://bibliotekanauki.pl/articles/1838397.pdf
Data publikacji:: 2021
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: endophytic bacteria
growth promoter
metal chelator
siderophore production
Hg phytoremediation
Opis:: Mercury (Hg)-contaminated soil remediation has become an urgent necessity due to its harmful effect on the environment and living organisms. The use of plant-endophyte partnership for phytoremediation demonstrates an excellent opportunity for cleaning heavy metal contaminated soil. This study aimed to screen and characterize the phenotype of the Hg-resistant endophytic bacteria from local grasses (Cynodon dactylon and Eleusine indica) in the Hg-contaminated soil of West Nusa Tenggara, Indonesia with siderophore-producing traits. Siderophore production of bacteria was qualitatively tested using overlay-chrome azurol S (O-CAS) medium and quantitatively tested using the succinic acid medium. The assay was designed using a Completely Randomized Factorial Design consisting of two factors, i.e., isolate type and incubation time with three replicates. The selected isolates were pathogenicity tested, then they were phenotypically characterized. All tested isolates showed a positive result on changing O-CAS medium color from blue to yellow/brown that indicated hydroxamate type of siderophore. The highest siderophore production was achieved at 72 hours of incubation, by the EI5 and EI6 isolates (62.90% and 35.31%, respectively). In turn, the CD6, EI5 and EI6 isolates achieved high siderophore production at a short incubation period (48 hours). However, during the hemolysis test, only the CD6 and EI6 isolates were not pathogenic. The CD6 and EI6 isolates would be used for phytoremediation on Hg-contaminated soil in the future study. On the basis of the 16S rDNA analysis, it was shown that the CD6 isolate was Jeotgalicoccus huakuii and the EI6 isolate was Bacillus amyloliquefaciens.
Źródło:: Journal of Ecological Engineering; 2021, 22, 5; 129-138
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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