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Article ; Online: Bioprocess optimization for enhanced xylitol synthesis by new isolate Meyerozyma caribbica CP02 using rice straw.

Singh, Saumya / Arya, Shailendra Kumar / Krishania, Meena

Biotechnology for biofuels and bioproducts

2024 Volume 17, Issue 1, Page(s) 31

Abstract: The present work models the fermentation process parameters of the newly isolated, Meyerozyma caribbica CP02 for enhanced xylitol production and its fermentability study on rice straw hydrolysate. The study examined the impact of each of the process ... ...

Abstract	The present work models the fermentation process parameters of the newly isolated, Meyerozyma caribbica CP02 for enhanced xylitol production and its fermentability study on rice straw hydrolysate. The study examined the impact of each of the process variables by one variable at a time optimization followed by statistical validation. Temperature of 32 °C, pH of 3.5, agitation of 200 rpm, 1.5% (v/v) inoculum, 80 gL
Language	English
Publishing date	2024-02-24
Publishing country	England
Document type	Journal Article
ISSN	2731-3654
ISSN (online)	2731-3654
DOI	10.1186/s13068-024-02475-8
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Article ; Online: Integrating biosorption and machine learning for efficient remazol red removal by algae-bacteria co-culture and comparative analysis of predicted models.

Sahu, Sudarshan / Kaur, Anupreet / Singh, Gursharan / Arya, Shailendra Kumar

Chemosphere

2024 Volume 355, Page(s) 141791

Abstract: This research investigates into the efficacy of algae and algae-bacteria symbiosis (ABS) in efficiently decolorizing Remazol Red 5B, a prevalent dye pollutant. The investigation encompasses an exploration of the biosorption isotherm and kinetics ... ...

Abstract	This research investigates into the efficacy of algae and algae-bacteria symbiosis (ABS) in efficiently decolorizing Remazol Red 5B, a prevalent dye pollutant. The investigation encompasses an exploration of the biosorption isotherm and kinetics governing the dye removal process. Additionally, various machine learning models are employed to predict the efficiency of dye removal within a co-culture system. The results demonstrate that both Desmodesmus abundans and a composite of Desmodesmus abundans and Rhodococcus pyridinivorans exhibit significant dye removal percentages of 75 ± 1% and 78 ± 1%, respectively, after 40 min. The biosorption isotherm analysis reveals a significant interaction between the adsorbate and the biosorbent, and it indicates that the Temkin model best matches the experimental data. Moreover, the Langmuir model indicates a relatively high biosorption capacity, further highlighting the potential of the algae-bacteria composite as an efficient adsorbent. Decision Trees, Random Forest, Support Vector Regression, and Artificial Neural Networks are evaluated for predicting dye removal efficiency. The Random Forest model emerges as the most accurate, exhibiting an R
MeSH term(s)	Thermodynamics ; Coculture Techniques ; Adsorption ; Water Pollutants, Chemical/analysis ; Hydrogen-Ion Concentration ; Kinetics
Chemical Substances	Water Pollutants, Chemical
Language	English
Publishing date	2024-03-28
Publishing country	England
Document type	Journal Article
ZDB-ID	120089-6
ISSN	1879-1298 ; 0045-6535 ; 0366-7111
ISSN (online)	1879-1298
ISSN	0045-6535 ; 0366-7111
DOI	10.1016/j.chemosphere.2024.141791
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Article: A review on management of rice straw by use of cleaner technologies: Abundant opportunities and expectations for Indian farming

Singh, Gursharan / Arya, Shailendra Kumar

Journal of cleaner production. 2021 Apr. 01, v. 291

2021

Abstract: Rice is the main staple crop of India, where it covers about 44 million hectares of arable land for the cultivation. To tackle the problem of in situ field burning of rice straw in various states is the major challenge for researchers, government and ... ...

Abstract	Rice is the main staple crop of India, where it covers about 44 million hectares of arable land for the cultivation. To tackle the problem of in situ field burning of rice straw in various states is the major challenge for researchers, government and farmers. This review is focused on cleaner and environment friendly technologies that can apply easily for the management of straw economically and ecofriendly. Conversion of straw into biomethane, biohydrogen, manufacturing of pulp and paper, in house enzyme synthesis, biochar, bio oil production, animal feed preparation and use for the mushroom composting are incredibly achievable with the modest efforts. Proposed technologies have potential to rein the straw burning at root level and further can improve the socio economic status of farmers and public that lives in the rural areas. Many of the above said technologies are least exploited at commercial scale, because most of the Indian farmers are unacquainted from the financial and environmental benefits of these advancements. This article tends to draw the attention of agriculturists, stake holders and further will update the knowledge of extension scientists regarding the scientifically exploitation of straw in-situ or ex-situ without burning and polluting the environment with green house gases (GHGs).
Keywords	administrative management ; arable soils ; biochar ; biogas ; biohydrogen ; burning ; ecosystem services ; environment ; enzymes ; farmers ; feeds ; greenhouse gases ; knowledge ; manufacturing ; oils ; paper ; pulp ; researchers ; rice ; rice straw ; rural areas ; scientists ; socioeconomic status ; staple crops ; sustainable technology ; synthesis ; India
Language	English
Dates of publication	2021-0401
Publishing place	Elsevier Ltd
Document type	Article
Note	NAL-light
ISSN	0959-6526
DOI	10.1016/j.jclepro.2020.125278
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Article: Effective degradation of chicken feather waste by keratinase enzyme with triton X-100 additive

Babbar, Nainpriya / Sharma, Geetika / Arya, Shailendra Kumar

Biocatalysis and agricultural biotechnology. 2022 Sept., v. 44

2022

Abstract: Keratinases are a group of proteolytic enzymes which play a crucial role in keratin degradation by breaking the disulfide and peptide bonds of the polypeptide chain of keratin. This study aimed to evaluate the biochemical characteristics of Keratinase ... ...

Abstract	Keratinases are a group of proteolytic enzymes which play a crucial role in keratin degradation by breaking the disulfide and peptide bonds of the polypeptide chain of keratin. This study aimed to evaluate the biochemical characteristics of Keratinase enzyme produced from Bacillus licheniformis. The preliminary experimentation was performed in order to find the optimal conditions in which the enzyme showed maximum activity, and also to evaluate its residual activity by using activators and inhibitors. The maximum enzyme yield was 100%, observed at temperature 55 °C and pH 9, and the addition of Triton X-100 markedly enhanced the keratinase activity to 174%. Further on, it was observed that the enzyme activity first increased with the increasing concentrations of Triton-X 100, with maximum residual activity of 184 ± 0.2% at 0.4 (v/v) Triton-X 100 concentration, and then experienced a downfall by further increase in the surfactant concentration, as it came down to 130 ± 0.7% at 0.5 (v/v) concentration of Triton-X 100. The keratinase was finally utilized for the treatment of chicken feathers, and its keratinolytic activity was determined using SEM analysis.
Keywords	Bacillus licheniformis ; agricultural biotechnology ; biocatalysis ; chickens ; disulfides ; enzyme activity ; keratin ; octoxynol ; pH ; polypeptides ; proteolysis ; surfactants ; temperature ; wastes
Language	English
Dates of publication	2022-09
Publishing place	Elsevier Ltd
Document type	Article
ZDB-ID	2642052-1
ISSN	1878-8181
ISSN	1878-8181
DOI	10.1016/j.bcab.2022.102447
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Article ; Online: Microplastics/nanoplastics released from facemasks as contaminants of emerging concern

Kaur, Mehakdeep / Ghosh, Debopriya / Guleria, Shikha / Arya, Shailendra Kumar / Puri, Sunjiv / Khatrī, Madhu

Marine Pollution Bulletin. 2023, p.114954-

2023 , Page(s) 114954–

Abstract: Facemasks have become a global medical necessity and are a key preventive measure against COVID-19. Typically, facemasks (FMs) are fabricated from non-renewable polymers, particularly polypropylene (PP) and polyethylene (PE), which release secondary ... ...

Abstract	Facemasks have become a global medical necessity and are a key preventive measure against COVID-19. Typically, facemasks (FMs) are fabricated from non-renewable polymers, particularly polypropylene (PP) and polyethylene (PE), which release secondary microplastic (MPs) due to the chemical, physical, and biological processes. In light of the widespread usage and improper disposal of single-use facemasks, there is concern about their environmental impact since they contribute to plastic pollution during and after pandemics. The repercussions of this have led to millions of tons of plastic waste being dumped into the environment. Due to lack of awareness and improper disposal, the occurrence of micro/nanoplastics released from facemasks in wastewater treatment plants and landfills poses a concern. Infiltration of wastewater treatment processes by micro/nanoplastics at various levels can be problematic because of their chemical nature and broad but small size. Thus, operational and process stability issues can arise during wastewater treatment processes. In addition, landfilling and illegal waste disposal are being used to dispose of potentially infectious COVID-19 waste, leading to an environmental threat to animal and human health and exacerbating plastic pollution. This paper reviews the fate of facemasks in the environment and the repercussions of improper waste management of facemasks in wastewater treatment plants, landfills, and ultimately the environment.
Keywords	COVID-19 infection ; environmental impact ; marine pollution ; nanoplastics ; polyethylene ; polypropylenes ; waste disposal ; wastes ; wastewater treatment ; COVID-19 ; Facemasks ; Microplastic ; Nanoplastic ; Health risks
Language	English
Publishing place	Elsevier Ltd
Document type	Article ; Online
Note	Pre-press version
ZDB-ID	2001296-2
ISSN	1879-3363 ; 0025-326X
ISSN (online)	1879-3363
ISSN	0025-326X
DOI	10.1016/j.marpolbul.2023.114954
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Article: Exploit of oxalate and phytate from the oilseeds with phytase treated seeds for dietary improvement

Handa, Vrishbhanu / Thakur, Kritika / Arya, Shailendra Kumar

Biocatalysis and agricultural biotechnology. 2021 Oct., v. 37

2021

Abstract: Oilseeds are known to be the prime source of vegetable oil and possess medicinal and nutritional properties. But some components like phytate and oxalate present in the oilseeds limit their benefits. So, in our study five major oilseeds which are soybean ...

Abstract	Oilseeds are known to be the prime source of vegetable oil and possess medicinal and nutritional properties. But some components like phytate and oxalate present in the oilseeds limit their benefits. So, in our study five major oilseeds which are soybean seeds, rapeseeds, sesame seeds, sunflower seeds, and linseeds were treated with the phytase enzyme. The concentration of phytate decreased by 25% in sunflower seeds, 60% in sesame seeds, 37% in soybean seeds, 21% in rapeseeds, and 30% in linseeds. However, the concentration of oxalate has shown diverse results as it was reduced by 85% in soybean seeds but increased by 60% and 46.6% in sunflower and sesame seeds respectively. The concentration of oxalate was almost negligible in linseeds and rapeseeds. Therefore, this study gives the knowledge for the appropriate intake of oilseeds, mainly soybean seeds to improve the dietary intake in the case of kidney stone patients.
Keywords	Helianthus annuus ; agricultural biotechnology ; biocatalysis ; food intake ; oxalates ; phytases ; phytic acid ; renal calculi ; soybeans ; vegetable oil
Language	English
Dates of publication	2021-10
Publishing place	Elsevier Ltd
Document type	Article
ZDB-ID	2642052-1
ISSN	1878-8181
ISSN	1878-8181
DOI	10.1016/j.bcab.2021.102168
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Article: Insights on guava wilt and its different control measures

Singh, Gursharan / Singh, Jatinder / Arya, Shailendra Kumar

Archiv für Phytopathologie und Pflanzenschutz. 2021 Dec. 14, v. 54, no. 19-20

2021

Abstract: Guava (Psidium guajava L.) wilt is extremely severe and soil borne disease, i.e. difficult to control once the symptoms appear on the plant foliage. It is mainly caused by the fungi like Fusarium oxysporum f. sp. psidii, Fusarium solani, Gliocladium ... ...

Abstract	Guava (Psidium guajava L.) wilt is extremely severe and soil borne disease, i.e. difficult to control once the symptoms appear on the plant foliage. It is mainly caused by the fungi like Fusarium oxysporum f. sp. psidii, Fusarium solani, Gliocladium roseum, Cephlosporium sp., Nalanthamala psidii and Gliocladium roseum. Several biocontrol agents based on live bacteria and their enzymes and bioactive compounds released by various fungi reported as the antagonistic strategies against the wilt-causing organisms. Chemical control of guava wilt is also feasible to some extent but the disease may reoccur more aggressively due to the presence of fungal spores in the soil. On the other hand, some well-accepted physical methods, like removal and burning of whole plant are extreme steps to control the disease which cause major financial loss. This review is critically based on the different control measures of guava wilt that have been used in laboratory studies as well as in the guava fields.
Keywords	Clonostachys rosea ; Fusarium oxysporum f. sp. psidii ; Fusarium solani ; Nalanthamala psidii ; Psidium guajava ; biological control ; chemical control ; financial economics ; fungi ; guavas ; leaves ; soil
Language	English
Dates of publication	2021-1214
Size	p. 2262-2274.
Publishing place	Taylor & Francis
Document type	Article
ZDB-ID	2068307-8
ISSN	1477-2906 ; 0323-5408
ISSN (online)	1477-2906
ISSN	0323-5408
DOI	10.1080/03235408.2021.1926619
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Article ; Online: Utility of laccase in pulp and paper industry: A progressive step towards the green technology.

Singh, Gursharan / Arya, Shailendra Kumar

International journal of biological macromolecules

2019 Volume 134, Page(s) 1070–1084

Abstract: Laccase has the enormous potential to be implemented as the multitasking biocatalyst in whole process of paper making. The enzyme can utilize effectively for pulping, delignification of pulps as alone or in the combination with other bleaching enzymes. ... ...

Abstract	Laccase has the enormous potential to be implemented as the multitasking biocatalyst in whole process of paper making. The enzyme can utilize effectively for pulping, delignification of pulps as alone or in the combination with other bleaching enzymes. Laccase has been evaluated for the biografting of pulp fibers, decolorize and stabilize the effluent of the paper mills, biotransformation of high molecular weight (HMW) lignins to lower molecular weight (LMW) aromatic compounds. Further this enzyme has the huge possibilities to apply for deinking of old newsprint (ONP) and pitch removal from varieties of the different pulps. There is no doubt on versatility mode of action of laccases in paper industry, but still there is limited commercialization of this enzyme has been possible, because of laccases has the less redox potential (E0) and needs mediators for the oxidation of non phenolic substrates, production of enzyme is cost intensive at large scale. This review is providing the proper updated information on the state of the art of different applications of laccase in paper industry. It also confer the interpretation to the readers about the areas of extensively studied and the field where there is still much left to be done.
MeSH term(s)	Industry ; Laccase/chemistry ; Molecular Structure ; Oxidation-Reduction ; Paper ; Technology ; Xylosidases/chemistry
Chemical Substances	Laccase (EC 1.10.3.2) ; Xylosidases (EC 3.2.1.-)
Language	English
Publishing date	2019-05-23
Publishing country	Netherlands
Document type	Journal Article ; Review
ZDB-ID	282732-3
ISSN	1879-0003 ; 0141-8130
ISSN (online)	1879-0003
ISSN	0141-8130
DOI	10.1016/j.ijbiomac.2019.05.168
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Article ; Online: A review on cutinases enzyme in degradation of microplastics.

Sahu, Sudarshan / Kaur, Anupreet / Khatri, Madhu / Singh, Gursharan / Arya, Shailendra Kumar

Journal of environmental management

2023 Volume 347, Page(s) 119193

Abstract: From the surface of the earth to the depths of the ocean, microplastics are a hazard for both aquatic and terrestrial habitats. Due to their small size and vast expanse, they can further integrate into living things. The fate of microplastics in the ... ...

Abstract	From the surface of the earth to the depths of the ocean, microplastics are a hazard for both aquatic and terrestrial habitats. Due to their small size and vast expanse, they can further integrate into living things. The fate of microplastics in the environment depends upon the biotic components such as microorganisms which have potential enzymes to degrade the microplastics. As a result, scientists are interested in using microorganisms like bacteria, fungi, and others to remediate microplastic. These microorganisms release the cutinase enzyme, which is associated with the enzymatic breakdown of microplastics and plastic films. Yet, numerous varieties of microplastics exist in the environment and their contaminants act as a significant challenge in degrading microplastics. The review discusses the cutinases enzyme degradation strategies and potential answers to deal with existing and newly generated microplastic waste - polyethylene (PE), polyethylene terephthalate (PET), poly-ε-caprolactone (PCL), polyurethanes (PU), and polybutylene succinate (PBS), along with their degradation pathways. The potential of cutinase enzymes from various microorganisms can effectively act to remediate the global problem of microplastic pollution.
MeSH term(s)	Microplastics ; Plastics ; Carboxylic Ester Hydrolases/metabolism ; Polyethylene Terephthalates ; Water Pollutants, Chemical
Chemical Substances	Microplastics ; Plastics ; cutinase (EC 3.1.1.-) ; Carboxylic Ester Hydrolases (EC 3.1.1.-) ; Polyethylene Terephthalates ; Water Pollutants, Chemical
Language	English
Publishing date	2023-10-03
Publishing country	England
Document type	Journal Article ; Review
ZDB-ID	184882-3
ISSN	1095-8630 ; 0301-4797
ISSN (online)	1095-8630
ISSN	0301-4797
DOI	10.1016/j.jenvman.2023.119193
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Article ; Online: Algal carbohydrate polymers: Catalytic innovations for sustainable development.

Sahu, Sudarshan / Sharma, Shalini / Kaur, Anupreet / Singh, Gursharan / Khatri, Madhu / Arya, Shailendra Kumar

Carbohydrate polymers

2023 Volume 327, Page(s) 121691

Abstract: Algal polysaccharides, harnessed for their catalytic potential, embody a compelling narrative in sustainable chemistry. This review explores the complex domains of algal carbohydrate-based catalysis, revealing its diverse trajectory. Starting with algal ... ...

Abstract	Algal polysaccharides, harnessed for their catalytic potential, embody a compelling narrative in sustainable chemistry. This review explores the complex domains of algal carbohydrate-based catalysis, revealing its diverse trajectory. Starting with algal polysaccharide synthesis and characterization methods as catalysts, the investigation includes sophisticated techniques like NMR spectroscopy that provide deep insights into the structural variety of these materials. Algal polysaccharides undergo various preparation and modification techniques to enhance their catalytic activity such as immobilization. Homogeneous catalysis, revealing its significance in practical applications like crafting organic compounds and facilitating chemical transformations. Recent studies showcase how algal-derived catalysts prove to be remarkably versatile, showcasing their ability to customise reactions for specific substances. Heterogeneous catalysis, it highlights the significance of immobilization techniques, playing a central role in ensuring stability and the ability to reuse catalysts. The practical applications of heterogeneous algal catalysts in converting biomass and breaking down contaminants, supported by real-life case studies, emphasize their effectiveness. In sustainable chemistry, algal polysaccharides emerge as compelling catalysts, offering a unique intersection of eco-friendliness, structural diversity, and versatile catalytic properties. Tackling challenges such as dealing with complex structural variations, ensuring the stability of the catalyst, and addressing economic considerations calls for out-of-the-box and inventive solutions. Embracing the circular economy mindset not only assures sustainable catalyst design but also promotes efficient recycling practices. The use of algal carbohydrates in catalysis stands out as a source of optimism, paving the way for a future where chemistry aligns seamlessly with nature, guiding us toward a sustainable, eco-friendly, and thriving tomorrow. This review encapsulates-structural insights, catalytic applications, challenges, and future perspectives-invoking a call for collective commitment to catalyze a sustainable scientific revolution.
MeSH term(s)	Polymers ; Sustainable Development ; Catalysis ; Carbohydrates ; Polysaccharides
Chemical Substances	Polymers ; Carbohydrates ; Polysaccharides
Language	English
Publishing date	2023-12-16
Publishing country	England
Document type	Review ; Journal Article
ZDB-ID	1501516-6
ISSN	1879-1344 ; 0144-8617
ISSN (online)	1879-1344
ISSN	0144-8617
DOI	10.1016/j.carbpol.2023.121691
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