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  1. Article ; Online: Global perspective of municipal solid waste and landfill leachate: generation, composition, eco-toxicity, and sustainable management strategies.

    Yatoo, Ali Mohd / Hamid, Basharat / Sheikh, Tahir Ahmad / Ali, Shafat / Bhat, Sartaj Ahmad / Ramola, Sudipta / Ali, Md Niamat / Baba, Zahoor Ahmad / Kumar, Sunil

    Environmental science and pollution research international

    2024  Volume 31, Issue 16, Page(s) 23363–23392

    Abstract: Globally, more than 2 billion tonnes of municipal solid waste (MSW) are generated each year, with that amount anticipated to reach around 3.5 billion tonnes by 2050. On a worldwide scale, food and green waste contribute the major proportion of MSW, which ...

    Abstract Globally, more than 2 billion tonnes of municipal solid waste (MSW) are generated each year, with that amount anticipated to reach around 3.5 billion tonnes by 2050. On a worldwide scale, food and green waste contribute the major proportion of MSW, which accounts for 44% of global waste, followed by recycling waste (38%), which includes plastic, glass, cardboard, and paper, and 18% of other materials. Population growth, urbanization, and industrial expansion are the principal drivers of the ever-increasing production of MSW across the world. Among the different practices employed for the management of waste, landfill disposal has been the most popular and easiest method across the world. Waste management practices differ significantly depending on the income level. In high-income nations, only 2% of waste is dumped, whereas in low-income nations, approximately 93% of waste is burned or dumped. However, the unscientific disposal of waste in landfills causes the generation of gases, heat, and leachate and results in a variety of ecotoxicological problems, including global warming, water pollution, fire hazards, and health effects that are hazardous to both the environment and public health. Therefore, sustainable management of MSW and landfill leachate is critical, necessitating the use of more advanced techniques to lessen waste production and maximize recycling to assure environmental sustainability. The present review provides an updated overview of the global perspective of municipal waste generation, composition, landfill heat and leachate formation, and ecotoxicological effects, and also discusses integrated-waste management approaches for the sustainable management of municipal waste and landfill leachate.
    MeSH term(s) Solid Waste/analysis ; Refuse Disposal/methods ; Water Pollutants, Chemical/analysis ; Waste Management/methods ; Waste Disposal Facilities
    Chemical Substances Solid Waste ; Water Pollutants, Chemical
    Language English
    Publishing date 2024-03-05
    Publishing country Germany
    Document type Journal Article ; Review
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-024-32669-4
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    In stock of ZB MED Bonn / Germany

    Z 5915: Show issues

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  2. Article ; Online: Deciphering waste bound nitrogen by employing psychrophillic Aporrectodea caliginosa and priming of coprolites by associated heterotrophic nitrifiers under high altitude Himalayas.

    Sheikh, Tahir / Baba, Zahoor / Yatoo, Ali Mohd / Hamid, Basharat / Iqbal, Sadaf / Wani, Fehim / Fatima, Sabah / Alfarraj, Saleh / Javed Ansari, Mohammad

    Scientific reports

    2022  Volume 12, Issue 1, Page(s) 9556

    Abstract: Himalayan ecosystem is characterized by its fragile climate with rich repositories of biodiversity. Waste collection and disposal are becoming increasingly difficult due to topographical variations. Aporrectodea caligenosa, a versatile psychrophillic ... ...

    Abstract Himalayan ecosystem is characterized by its fragile climate with rich repositories of biodiversity. Waste collection and disposal are becoming increasingly difficult due to topographical variations. Aporrectodea caligenosa, a versatile psychrophillic soil dweller, is a useful biocatalyst with potent bio-augmented capability for waste treatment at low temperatures. Microcosm experiments were conducted to elucidate the comprehensive nature of biogenic nitrogen transformation to NH
    MeSH term(s) Aerobiosis ; Altitude ; Animals ; Denitrification ; Ecosystem ; Heterotrophic Processes ; Manure ; Nitrification ; Nitrogen/metabolism ; Oligochaeta/metabolism ; Soil ; Waste Water
    Chemical Substances Manure ; Soil ; Waste Water ; Nitrogen (N762921K75)
    Language English
    Publishing date 2022-06-10
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-022-12972-1
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  3. Article: Extracellular polymeric substances in psychrophilic cyanobacteria: A potential bioflocculant and carbon sink to mitigate cold stress

    Sheikh, Tahir / Hamid, Basharat / Baba, Zahoor / Iqbal, Sadaf / Yatoo, Ali / Fatima, Sabah / Nabi, Asha / Kanth, Rehana / Dar, Khursheed / Hussain, Nazir / Alturki, Ahmad-I / Sunita, Kumari / Sayyed, R.Z.

    Biocatalysis and agricultural biotechnology. 2022 July, v. 42

    2022  

    Abstract: Cyanobacteria dominate microbiota in ice-based habitats and contend with extreme fluctuation in temperature and lack of liquid water, which poses severe limitations (freezing and desiccation stress) to their growth and survival. Decline in carbon sinks ... ...

    Abstract Cyanobacteria dominate microbiota in ice-based habitats and contend with extreme fluctuation in temperature and lack of liquid water, which poses severe limitations (freezing and desiccation stress) to their growth and survival. Decline in carbon sinks would result in faster accumulation of CO₂ in the atmosphere and is expected to increase by 18.05% between 2022 and 2050 contributing to future climate change. Anthropogenic CO₂ emissions could be even much higher if terrestrial biosphere would not pull off it as a sink by absorbing 33 ± 9% CO₂. Cyanobacterial bio-sequestration in colder habitats is critical because of less water body turnover due to low temperature. These organisms show amazing structural and functional diversity adopting cyclic electron flow (CEF) for sustenance under lower temperature ecosystem. CEF enhances ATP: NADPH ratio during photosynthesis and balances the reductant prerequisites of biosynthesis while maintaining the redox balance of CEF. ATP-binding cassette dependent is an important pathway for production of extracellular polymeric substances (EPS) in case of capsular polysaccharides. The review proposes NDH-1MS’ an important energy yielding complex capable of optimizing CO₂ acquisition and photosynthesis when the cells are under cold stress. The review also highlights the formidable sub-cellar role of EPS, influencing cyanobacterial physiology and survival in cold ecosystems.
    Keywords Cyanobacteria ; agricultural biotechnology ; biocatalysis ; biosequestration ; biosphere ; biosynthesis ; carbon ; carbon dioxide ; carbon sinks ; climate change ; cold ; cold stress ; decline ; ecosystems ; energy ; functional diversity ; liquids ; microorganisms ; photosynthesis ; polymers ; polysaccharides ; reducing agents ; surface water ; temperature
    Language English
    Dates of publication 2022-07
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2642052-1
    ISSN 1878-8181
    ISSN 1878-8181
    DOI 10.1016/j.bcab.2022.102375
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  4. Article ; Online: Assessment of pesticide toxicity on earthworms using multiple biomarkers: a review

    Yatoo, Ali Mohd / Ali, Md. Niamat / Zaheen, Zarka / Baba, Zahoor Ahmad / Ali, Shafat / Rasool, Saiema / Sheikh, Tahir Ahmad / Sillanpää, Mika / Gupta, Pankaj Kumar / Hamid, Burhan / Hamid, Basharat

    Environ Chem Lett. 2022 Aug., v. 20, no. 4 p.2573-2596

    2022  

    Abstract: Two million tonnes of pesticides are currently used globally to improve crop production, yet these pesticides induce adverse effects on soil quality and biodiversity. Moreover, less than 1% of pesticides reach the target pests, while the rest contaminate ...

    Abstract Two million tonnes of pesticides are currently used globally to improve crop production, yet these pesticides induce adverse effects on soil quality and biodiversity. Moreover, less than 1% of pesticides reach the target pests, while the rest contaminate the surrounding environment. In particular, earthworms are exposed to pesticides and are thus an ideal biological model for ecotoxicological research. Here, we review acute and sub-lethal effects of pesticides on earthworms. We found that pesticides alter growth, reproduction, behaviour, essential enzymes, and DNA of earthworms, even at low pesticide concentrations. These sub-lethal biomarkers allow to evaluate the overall response of an earthworm to pesticides, and to identify the risk for other non-target organisms.
    Keywords DNA ; biodiversity ; biological models ; biomarkers ; crop production ; earthworms ; ecotoxicology ; pesticides ; reproduction ; risk ; soil quality ; toxicity
    Language English
    Dates of publication 2022-08
    Size p. 2573-2596.
    Publishing place Springer International Publishing
    Document type Article ; Online
    Note Review
    ZDB-ID 2107984-5
    ISSN 1610-3661 ; 1610-3653
    ISSN (online) 1610-3661
    ISSN 1610-3653
    DOI 10.1007/s10311-022-01386-0
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  5. Article ; Online: Psychrotolerant

    Baba, Zahoor Ahmad / Hamid, Basharat / Sheikh, Tahir Ahmad / Alotaibi, Saad H / El Enshasy, Hesham A / Ansari, Mohammad Javed / Zuan, Ali Tan Kee / Sayyed, R Z

    Molecules (Basel, Switzerland)

    2021  Volume 26, Issue 19

    Abstract: Soil potassium (K) supplement depends intensively on the application of chemical fertilizers, which have substantial harmful environmental effects. However, some bacteria can act as inoculants by converting unavailable and insoluble K forms into plant- ... ...

    Abstract Soil potassium (K) supplement depends intensively on the application of chemical fertilizers, which have substantial harmful environmental effects. However, some bacteria can act as inoculants by converting unavailable and insoluble K forms into plant-accessible forms. Such bacteria are an eco-friendly approach for enhancing plant K absorption and consequently reducing utilization of chemical fertilization. Therefore, the present research was undertaken to isolate, screen, and characterize the K solubilizing bacteria (KSB) from the rhizosphere soils of northern India. Overall, 110 strains were isolated, but only 13 isolates showed significant K solubilizing ability by forming a halo zone on solid media. They were further screened for K solubilizing activity at 0 °C, 1 °C, 3 °C, 5 °C, 7 °C, 15 °C, and 20 °C for 5, 10, and 20 days. All the bacterial isolates showed mineral K solubilization activity at these different temperatures. However, the content of K solubilization increased with the upsurge in temperature and period of incubation. The isolate KSB (Grz) showed the highest K solubilization index of 462.28% after 48 h of incubation at 20 °C. The maximum of 23.38 µg K/mL broth was solubilized by the isolate KSB (Grz) at 20 °C after 20 days of incubation. Based on morphological, biochemical, and molecular characterization (through the 16S rDNA approach), the isolate KSB (Grz) was identified as
    MeSH term(s) DNA, Bacterial/genetics ; DNA, Ribosomal/genetics ; Mesorhizobium/classification ; Mesorhizobium/growth & development ; Mesorhizobium/isolation & purification ; Mesorhizobium/metabolism ; Phylogeny ; Plant Growth Regulators/metabolism ; Potassium/chemistry ; RNA, Ribosomal, 16S/genetics ; Secondary Metabolism ; Sequence Analysis, DNA/methods ; Soil Microbiology ; Solubility ; Temperature
    Chemical Substances DNA, Bacterial ; DNA, Ribosomal ; Plant Growth Regulators ; RNA, Ribosomal, 16S ; Potassium (RWP5GA015D)
    Language English
    Publishing date 2021-09-23
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules26195758
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