A comparative study on selected marine actinomycetes from Pulicat, Muttukadu, and Ennore estuaries

Sharma, Suvigya; Ernest, David

doi:10.1016/s2221-1691(12)60503-6

Cited by 11 publications

(7 citation statements)

References 6 publications

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“…The similar results were reported in the study conducted by Sharma and David, 2012 [38] in which actinomycetes were isolated from marine sediments of Pulicat estuary, Muttukadu estuary and Ennore estuary, Tamil Nadu, India. The selected isolates had shown excellent growth at temperature 30-40 °C, pH 7-8 (table 10 and 11).…”

Section: Discussionsupporting

confidence: 89%

“…Actinomycetes account 70% of the earth's surface and are a good source for isolation and production of novel and potent bioactive secondary metabolites such as antibiotics [36,37]. Isolation of novel actinomycetes from the soil is very interesting nowadays to isolate and produce novel bioactive metabolites from waste disposal areas had shown antimicrobial activity against bacteria and fungi [38]. These recent studies motivated the corresponding author of this article to isolate antibiotic producing actinomycetes from Kapuluppada plastic waste dumping yard, near Kommadi, Visakhapatnam (A. P.).…”

Section: Discussionmentioning

confidence: 99%

“…Sharma et al [38] isolated actinomycetes from Pulicat, Muttukadu, and Ennore estuaries and they had shown antibacterial and antifungal activity. Thakur et al [39] reported that a total of 110 actinomycetes strains were isolated from the soil samples collected from the protected forest soil from two states in Northeast India.…”

Section: Discussionmentioning

confidence: 99%

“…The actinomycetes isolated from Pulicat estuary, Muttukadu estuary, and Ennore estuary grow well at temperature 30 °C and 40 °C and pH 7.0 to 9.0 [38] whereas the actinomycetes isolated from water and sediments of Lake Tana, Ethiopia, the optimum temperature for the growth of isolates was ranged from 25 to 30 °C [30]. Therefore, based on the results the selected isolates obtained from Kapuluppada plastic waste dumping yard were grouped under the genera of Streptomyces.…”

Section: Discussionmentioning

confidence: 99%

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Isolation, Screening and Characterization of Antibiotic Producing Actinomycetes From Kapuluppada Plastic Waste Dumping Yard, Visakhapatnam

Duddu

Guntuku

2016

Int J Pharm Pharm Sci

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Objective: To isolate, screen and characterize antibiotic producing actinomycetes from Kapuluppada plastic waste dumping yard, Visakhapatnam.Methods: A total of 12 soil samples were collected, serially diluted and spread on starch casein agar supplemented with Rifampicin and Cycloheximide for inhibition of bacteria and fungi, respectively. Cross-streak method was used to check the antagonistic activity of isolated actinomycetes against bacteria and fungi. Crude extracts from submerged state fermentation were used for the production of antimicrobial compounds. Agar well diffusion method was used for antimicrobial activity of crude extracts against test organisms. The isolates were characterized by morphological, physiological and biochemical methods.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Isolation, Screening and Characterization of Antibiotic Producing Actinomycetes From Kapuluppada Plastic Waste Dumping Yard, Visakhapatnam

Duddu

Guntuku

2016

Int J Pharm Pharm Sci

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“…These large but unexplored habitats have been reported to contain diverse actinomycete communities (Valli et al, 2012). It is reported that Streptomyces forms a dominant genus in water bodies while Micromonospora flourishes under sediments (Sharma and David, 2012). The genera, Marinispora, Salinibacterium, Salinispora, Serinicoccus and Solwaraspora are unique to marine habitats.…”

Section: Actinomycetes In Aquatic Environmentsmentioning

confidence: 99%

Reappraisal of actinomycetes for novel bioactive metabolites

Shah¹,

Rasool²,

Majeed³

et al. 2017

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The appearance of new deadly diseases like cancer and the burgeoning problem of drug resistance among common bacteria l pathogens are a serious threat to a vailable trea tments. Since the channels of compounds under development are limited, this necessitates the discovery of new drugs. It is where actinomycetes can complement in the accomplishment of development of thera peu tically new bioactive compounds, predomina ntly u sed in antibiotic production. Actinomycetes are diverse in their location and have proven ability to produce new bioactive compounds. By employing modern microbiological and molecular technologies, the target-directed search for detection and isolation of bioactive actinomycetes is gaining more strength. Therefore, the innova tive isolation of actinomycetes from extreme ecosystems, their identification and cultivation using novel techniques are imperative to pursue for drug discovery.

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Diversity and Biotechnological Potential of Marine Actinomycetes from India

Sarkar

Suthindhiran

2022

Indian J Microbiol

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Actinomycetes are potential antibiotic producers that have been isolated from various terrestrial ecosystems and are exploited for their bioactive compounds. On the contrary, the marine environments were less explored and the research on marine actinomycetes had gained momentum only for the past three decades. Marine actinomycetes are one of the most significant producers of diverse groups of secondary metabolites and provide a huge scope for pharmaceutical and other industries. These organisms are proved to be important, both biotechnologically and economically considering their global presence. The marine ecosystem in India is less explored for the isolation of actinomycetes and several ecological niches are left unattended. Compared to the global scenario, the contribution from Indian researchers towards the isolation and exploitation of marine actinomycetes from the Indian sub-continent is noteworthy. Exploration of actinomycetes from these ecosystems will certainly yield new species and metabolites. Considering the declining rate of drug discovery from terrestrial actinomycetes, the marine counterparts, especially from unexplored regions from the Indian coast will hold a promising way ahead. Apart from drugs, these organisms are reported for the production of different industrially important enzymes like cellulase, amylase, protease, lipase, etc. They are also used in environmental applications, agriculture, and aquacultures sectors. With the rapid advancement in the study of actinomycetes from different marine sources in India, new metabolites are being discovered which have an important role from the economic and industrial point of view. As the world is witnessing newer diseases such as Sars-Cov 2 and the pandemic due to its demands drugs and other metabolites are increasing day by day. Therefore, the necessity for the quest for unique and rare marine actinomycetes is enhancing too. This review highlights the research on marine actinomycetes in India and also the challenges associated with its research.

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A comparative study on selected marine actinomycetes from Pulicat, Muttukadu, and Ennore estuaries

Cited by 11 publications

References 6 publications

Isolation, Screening and Characterization of Antibiotic Producing Actinomycetes From Kapuluppada Plastic Waste Dumping Yard, Visakhapatnam

Isolation, Screening and Characterization of Antibiotic Producing Actinomycetes From Kapuluppada Plastic Waste Dumping Yard, Visakhapatnam

Reappraisal of actinomycetes for novel bioactive metabolites

Diversity and Biotechnological Potential of Marine Actinomycetes from India

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