Abstract
Plant growth-promoting bacteria are present in the rhizosphere, a soil zone around plant roots. An important mechanism of plant growth enhancement is the production of 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase. Three ACC deaminase-producing bacterial strains were isolated from the rhizosphere of the halophytic plant Zygophyllum coccineum growing in Al-Uqair, Al-Ahsa, Saudi Arabia. The strains were identified as Bacillus filamentosus, Janibacter indicus, and Brevibacterium casei based on 16S rRNA sequence, and their taxonomic position was determined. Furthermore, the strains exhibited catalase and indoleacetic acid production and phosphate solubilization. The highest ACC deaminase activity was observed in B. filamentosus (~ 449 nmole -ketobutyrate mg -1 h -1 ), followed by J. indicus and B. casei (~ 66 nmole -ketobutyrate mg -1 h -1 ). Inoculation of wheat grains with each strain significantly enhanced growth. Z. coccineum rhizosphere harbors growth-promoting bacteria and ameliorated the negative effects of salt stress on wheat plants and may be used as an eco-friendly biofertilizer.
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Claims 4
Claim · model-written summary
Bacillus filamentosus had the highest ACC deaminase activity.
- Taxon
- wheat
Triticum aestivumt0 - Interactor
- B. filamentosusPriestia filamentosae0symbiontt1
- Outcome
- ACC deaminase activitye0
- Direction
- higheste0
- Value
- ~ 449 nmole -ketobutyrate mg -1 h -1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest ACC deaminase activity was observed in B. filamentosus (~ 449 nmole -ketobutyrate mg -1 h -1 )”
t0“Wheat”
t1“B. filamentosus”
Claim · model-written summary
J. indicus and B. casei followed in ACC deaminase activity.
- Taxon
- wheatTriticum aestivumt0
- Interactor
- J. indicusJanibacter indicuse0symbiontt1
- Outcome
- ACC deaminase activitye1
- Value
- ~ 66 nmole -ketobutyrate mg -1 h -1e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“followed by J. indicus and B. casei (~ 66 nmole -ketobutyrate mg -1 h -1 )”
t0“Wheat”
t1“J. indicus”
e1“The highest ACC deaminase activity was observed in B. filamentosus (~ 449 nmole -ketobutyrate mg -1 h -1 )”
Claim · model-written summary
Inoculation of wheat grains with each bacterial strain significantly enhanced growth.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Inoculation of wheat grains with each straine0
- Outcome
- growthe0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation of wheat grains with each strain significantly enhanced growth.”
Claim · model-written summary
The authors suggest bacteria from the Z. coccineum rhizosphere may serve as a biofertilizer for wheat under salt stress.
- Taxon
- wheatTriticum aestivume0
- Treatment
- salt stresse0
- Outcome
- may be used as an eco-friendly biofertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Z. coccineum rhizosphere harbors growth-promoting bacteria and ameliorated the negative effects of salt stress on wheat plants and may be used as an eco-friendly biofertilizer.”
The same questions in other papers
inoculation · growth · Triticum aestivum (wheat)Positive and negative results
475 papers in the same direction as this paper · 55 in the opposite direction · 1 reporting no difference from an alternative
- positive
- positive
- positive
528 papers more in this group
See all 532 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.