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Maitra, Debapriya
- Role of Residual Microflora From Indian Spices in Increasing Their Shelf Life
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Authors
Affiliations
1 Department of Microbiology, St. Xavier’s College (Autonomous),30, Mother Teresa Sarani, Kolkata, West Bengal, India, Pin-700016., IN
1 Department of Microbiology, St. Xavier’s College (Autonomous),30, Mother Teresa Sarani, Kolkata, West Bengal, India, Pin-700016., IN
Source
Journal of Environment and Sociobiology, Vol 19, No 2 (2022), Pagination: 171-181Abstract
Spices impart flavor, taste and aroma to food. Spices have inherent microflora which may have varied roles and may interact variously amongst each other. Different spice samples were analyzed to isolate the indigenous microflora (bacteria and fungi). These isolates were purified. The colony characteristics and morphology of the isolates were studied and specific staining was performed to identify some selected isolates. Enzyme production ability of the selected bacterial isolates were assayed, and based on the absence of degradative enzymes, three harmless bacteria were tested against one of the fungal isolates, which was identified as Aspergillus flavus by partial sequencing. The antagonistic relationship between the fungi and the bacteria were carried out using plate assay method and three of the bacterial isolates were observed to be effective in controlling Aspergillus flavus. They were identified by partial sequencing and was found to be Bacillus australimaris, Bacillus subtilis and Bacillus cereus. The microbial enrichment may prove to be useful in terms of nutritive value addition to the spices and increase its shelf life.Keywords
Aspergillus flavus, Bacillus australimaris, Bacillus subtilis, Bacillus cereus
References
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- Gong, Q., Zhang, C., Lu, F., Zhao, H., Bie, X. and Lu, Z. 2014. Identification of bacillomycin D from Bacillus subtilisfmbJ and its inhibition effects against Aspergillus flavus., Food Control, 36(1): 8-14.
- Hullo, M-F., Moszer, I., Danchin, A. and Martin-Verstraete, I. 2001. CotA of Bacillus subtilisis a copper-dependent laccase. J. Bacteriol., 183(18): 5426-5430.
- Jiang, T. A. 2019. Health benefits of culinary herbs and spices. J. AOAC Int., 102(2): 395-411. Available at: https://doi.org/10.5740/jaoacint.18-0418.
- Kindu, G. 2019. Efficiency of locally available spices to improve shelf life and sensory attributes of Teff Injera. World Sci. News, 136: 159-172.
- Klich, M. A. 2007. Aspergillus flavus: the major producer of aflatoxin. Mol. Plant Pathol., 8(6): 713-722.
- Makhlouf, J., Carvajal-Campos, A., Querin, A., Tadrist, S., Puel, O., Lorber, S., Oswald, I. P., Hamze, M., Bailly, J-D. and Bailly, S. 2019. Morphologic, molecular and metabolic characterization of Aspergillussection Flaviin spices marketed in Lebanon. Sci. Rep., 9(1): 5263.
- Mathipa-Mdakane, M. G. and Thantsha, M. S. 2022. Lacticaseibacillus rhamnosus: a suitable candidate for the construction of novel bioengineered probiotic strains for targeted pathogen control. Foods, 11(6): 785. DOI: 10.3390/foods/11060785.
- Nascimento, H. J. and Silva, J. G. 2008. Purification of lignin peroxidase isoforms from Streptomyces viridosporusT7A by hydrophobic based chromatographies. World J. Microbiol. Biotechnol., 24(9): 1973-1975.
- Piergiovanni, L. and Limbo, S. 2019. Food shelf-life models. Chapter 4. In: R. Accorsi and R. Manzini (eds.), Sustainable Food Supply Chains. Academic Press, pp. 49-60.
- Pop, A., Muste, S., Paucean, A., Chis, S., Man, S., Salanta, L., Marc, R., Muresan, A. and Martis, G. 2019. Herbs and spices in terms of food preservation and shelf life. Hop Med. Plants, 27(1-2): 57-65.
- Rana, A., Kumar, V., Mirza, A. and Panghal, A. 2018. Efficacy of Cumin (Cuminum cyminumL.) as a bionutrient and its management. Ann. Biol., 34(2): 218-222.
- Roy, U., Batish, V. K., Grover, S. and Neelakantan, S. 1996. Production of antifungal substance by Lactococcus lactissubsp. lactisCHD-28.3. Int. J. Food Microbiol., 32(1-2): 27-34.
- Development of a Novel Consortium Using Bacteria With Multiple Plant Beneficial Traits From Over-Exploited Agricultural Soil
Abstract Views :164 |
PDF Views:0
Authors
Meenakshi Mukhopadhyay
1,
Arup Kumar Mitra
2,
Debapriya Maitra
2,
Bedaprana Roy
2,
Archisman Chakraborty
3,
Sudeshna Shyam Choudhury
2,
Indranath Chaudhuri
3
Affiliations
1 Department of Botany, Vivekananda College, Kolkata., IN
2 Department of Microbiology, St. Xavier’s College (Autonomous), Kolkata., IN
3 Department of Physics, St. Xavier’s College (Autonomous), Kolkata., IN
1 Department of Botany, Vivekananda College, Kolkata., IN
2 Department of Microbiology, St. Xavier’s College (Autonomous), Kolkata., IN
3 Department of Physics, St. Xavier’s College (Autonomous), Kolkata., IN
Source
Journal of Environment and Sociobiology, Vol 19, No 2 (2022), Pagination: 245-256Abstract
Soil is a treasure trove of myriad microbial communities that encompass a bewildering array of physiological, metabolic, and genomic diversity essential for sustenance of soil fertility. Over-exploitation of arable lands with extensive use of agrochemicals has negatively impacted soil structure and function by lowering crop productivity. Such damaged agro-ecosystem can be recovered through restoration of microbial richness to replenish various plant-beneficial services at community level. Incorporation of potential single or multiple plant-growth promoting bacteria (PGPB) in soil is a unique strategy in modern sustainable agriculture. In this study, PGPB strains were isolated from a long-term used agricultural soil of Bahadurpur, West Bengal. Only the bacterial isolates having nitrogen, phosphorus and potassium acquisition ability were further screened for multiple plant growth promoting (PGP) traits. Isolates S3, S5, and R1 showed nitrogen-fixing, phosphate and potassium solubilizing ability. They were tested for production of IAA, GA, ACC deaminase, siderophore, biofilm, lytic enzymes, and volatile biochemical compounds under in vitro condition. Three most potent isolates (S3, S5 and R1) were selected for development of a multi-strain consortium to be utilized as bio-inoculant. Based on 16s rRNA gene sequence they were identified as Bacillus zhangzhouensis strain MMAM, B. cereus strain MMAM3, and B. subtilis strain MMAM2.Keywords
Long-Term Used Agricultural Soil, Plan-Growth Promoting Bacteria, Multi-Strain Consortium, Bio-Inoculant.References
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- Isolation and Characterization of Prospective Salt Tolerant Bacteria With Plant Growth Promoting Properties From Mangroves of Sundarban, West Bengal, India
Abstract Views :176 |
PDF Views:0
Authors
Shivashis Bikram Banerjee
1,
Debapriya Maitra
2,
Bedaprana Roy
2,
Bikram Dhara
2,
Ramalakshmi Datta
3,
Sanjay Haldar
3,
Arup Kumar Mitra
2
Affiliations
1 Post-Graduate Department of Biotechnology, St. Xavier’s College (Autonomous), Kolkata-700016., IN
2 Department of Microbiology, St. Xavier’s College (Autonomous), Kolkata-700016., IN
3 Vivekananda Institute of Biotechnology, South 24 Parganas, Pin-743 338, West Bengal, India., IN
1 Post-Graduate Department of Biotechnology, St. Xavier’s College (Autonomous), Kolkata-700016., IN
2 Department of Microbiology, St. Xavier’s College (Autonomous), Kolkata-700016., IN
3 Vivekananda Institute of Biotechnology, South 24 Parganas, Pin-743 338, West Bengal, India., IN
Source
Journal of Environment and Sociobiology, Vol 19, No 2 (2022), Pagination: 271-281Abstract
Increasing soil salinity acts as a major abiotic stress for crop plants. Increasing global temperatures are leading to greater evaporation from soil, along with change in rainfall patterns, which is resulting in reduced soil water availability for crop plants and increased soil salinity. Consequently, crop plants face water and nutrient shortage leading to yield losses. In fact, crop plants cannot be grown easily on such saline soil without some form of remediation. Plant Growth Promoting Rhizobacteria (PGPR) have shown prospective results in this regard. Halotolerant PGPRs have the ability to grow in such saline soils, while providing plant roots in the vicinity with growth nutrients and hormones. In the present study, we obtained six bacterial isolates from mangrove pneumatophores of Aegialitis rotundifoliaRoxb. and Ceriops tagal C. B. Rob. with associated rhizobial soil from Kshetra Mohanpur site in the Sundarbans of West Bengal. They were screened for salt tolerance, nitrogen fixation, phosphate solubilizing, potassium solubilizing and auxin synthesizing ability. Two of the six isolates showed all these properties. Hence, we propose their use as halotolerant PGPR biofertilizers for soil bioremediation.Keywords
Plant Growth Promoting Rhizobacteria, Biofertilizer, Soil Salinity, Climate Change.References
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