Phenotypic and molecular characterization of diazotrophic bacteria associated with sugarcane in Bangladesh

Alam, Imam Taskin; Nesa, Syeda Roufun; Alam, Khandakar Mohiul; Begum, Anowara; Akhter, Hasina

doi:10.1007/s13165-018-0232-z

Cited by 2 publications

(6 citation statements)

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“…In this study, 56 bacterial isolates were obtained from sugarcane tissues, being 21 and 35 isolates found in leaves and stems, respectively. Interestingly, we found a higher number of endophytic bacterial isolates in sugarcane tissues than those found in previous studies with different crops, such as sorghum [32] and sugarcane [33]. For instance, Patel and Archana [34] isolated, through NFb broth, 31 endophytic diazotrophic bacteria in leaves, stems, and roots from Poaceae plants.…”

Section: Isolation Of Bacterial Endophytescontrasting

confidence: 63%

“…Endophytic bacteria from sugarcane leaves and stems showed fast growth and were mainly Grampositive (Figure 1F and 1G). In contrast, Magnani and coauthors [35] and Alam and coauthors [33] reported that most of the endophytic bacteria from sugarcane are Gram-negative. On the other hand, the majority of bacterial endophytes from different plant tissues of rice were Gram-positive [37].…”

Section: Morphological and Physiological Traitsmentioning

confidence: 94%

“…As a primary auxin in higher plants, IAA has marked effects on plant development. Previous studies on several plant species, such as chickpea, maize, rice, sorghum, sugarcane, tomato, and wheat, have reported bacteria releasing IAA and promoting plant growth [9,33,34,40].…”

Section: Biochemical Traitsmentioning

confidence: 99%

“…For instance, Patel and Archana [34] isolated, through NFb broth, 31 endophytic diazotrophic bacteria in leaves, stems, and roots from Poaceae plants. By comparison, Leite and coauthors [11] found 24 endophytic diazotrophic bacteria in stems and roots of sugarcane by using LGI-P broth, while Alam and coauthors [33] found 21 bacterial isolates in roots and stems of sugarcane by using LGI broth. A total of 30, 18 and 8 bacterial isolates grown, respectively, in NFb, JNFb and LGI-P broths.…”

Section: Isolation Of Bacterial Endophytesmentioning

confidence: 99%

“…Methylobacterium and Herbaspirillum are genera of diazotrophs belonging to the phylum Proteobacteria. This phylum includes bacterial endophytes that perform nitrogen-fixation in different tissues of monocots, including rice, maize, sorghum, and sugarcane [8,33,34].…”

Section: Biochemical Traitsmentioning

confidence: 99%

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Isolation and Characterization of Plant Growth-Promotion Diazotrophic Endophytic Bacteria Associated to Sugarcane (Saccharum officinarum L.) Grown in Paraíba, Brazil

Antunes

Freitas

Bonifácio

et al. 2022

Braz. arch. biol. technol.

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Sugarcane is an important Brazilian commodity, being usually cultivated in soils with low natural fertility. This study aimed to isolate diazotrophic endophytes from sugarcane tissues and evaluate the morphological and physiological characteristics of their colonies as well as their plant growth-promoting (PGP) traits in select diazotrophic endophytic bacteria. Fifty-six bacterial isolates were identified in the sugarcane tissues, and these isolates presented distinct morphological and physiological traits. A total of thirty-five bacterial isolates were biochemically evaluated. Overall, Bacillus was the dominant genus. Isolates of Methylobacterium spp. and Brevibacillus agri were present only in leaves, while Herbaspirillum HIGHLIGHTS• The diazotrophic endophytic community found in stems were different those found in leaves of sugarcane.• Endophytes with valuable biochemical traits have been identified in the sugarcane tissues.• A unique symbiotic consortium between endophytes were identified in the sugarcane tissues.

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Section: Isolation Of Bacterial Endophytescontrasting

confidence: 63%