What question did this study set out to answer?

To isolate and characterize lead- and cadmium-tolerant endophytic bacteria from Typha latifolia roots and assess their plant-growth-promoting effects under heavy metal exposure.

January 21, 2023PlantsOpen Access

Characterization of Endophytic Bacteria Isolated from Typha latifolia and Their Effect in Plants Exposed to Either Pb or Cd

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Authors

JRJesús Rubio-Santiago AHAlejandro Hernández‐MoralesUniversidad Manuela Beltrán GRGisela Adelina Rolón-CárdenasAutonomous University of San Luis Potosí

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Implication

Experimental study shows endophytic bacteria promote seedling growth in Typha latifolia under heavy metal stress, suggesting their utility in phytoremediation and environmental adaptation.

Key Points

To isolate and characterize lead- and cadmium-tolerant endophytic bacteria from Typha latifolia roots and assess their plant-growth-promoting effects under heavy metal exposure.
Isolated endophytic bacteria from the roots of Typha latifolia growing in heavy-metal-polluted soil.
Characterized isolates for Pb and Cd tolerance as well as plant-growth-promoting traits, including indole acetic acid synthesis, siderophore production, and phosphate solubilization.
Tested plant–bacteria interactions by measuring root length, shoot length, and root numbers in T. latifolia seedlings exposed to 0 mg/L, 5 mg/L Pb, or 10 mg/L Cd.
Identified Pb-tolerant isolates as Pseudomonas azotoformans JEP3, P. fluorescens JEP8, and P. gessardii JEP33, and Cd-tolerant isolates as P. veronii JEC8, JEC9, and JEC11.
All bacterial isolates demonstrated active indole acetic acid synthesis, siderophore production, and phosphate solubilization.
Inoculation increased root and shoot length in unexposed seedlings, and significantly increased shoot length and root counts per plant in seedlings exposed to 5 mg/L Pb or 10 mg/L Cd.

Cite This Study

Rubio-Santiago et al. (2023) studied this question.

synapsesocial.com/papers/6ab2107a990ca4800db37ac6 https://doi.org/10.3390/plants12030498

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Implication

Experimental study shows endophytic bacteria promote seedling growth in Typha latifolia under heavy metal stress, suggesting their utility in phytoremediation and environmental adaptation.

Characterization of Endophytic Bacteria Isolated from Typha latifolia and Their Effect in Plants Exposed to Either Pb or Cd

Discussion

Member takes

Implication

Key Points

Cite This Study

Characterization of Endophytic Bacteria Isolated from Typha latifolia and Their Effect in Plants Exposed to Either Pb or Cd

Discussion

Member takes

Implication

Key Points

Cite This Study

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