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Article: Antimicrobial Resistance and β-Lactamase Production in Clinically Significant Gram-Negative Bacteria Isolated from Hospital and Municipal Wastewater.

Irfan, Mohammad / Almotiri, Alhomidi / AlZeyadi, Zeyad Abdullah

2023 Volume 12, Issue 4

Abstract: Hospital and municipal wastewater contribute to the spread of antibiotic-resistant bacteria and genes in the environment. This study aimed to examine the antibiotic resistance and β-lactamase production in clinically significant Gram-negative bacteria ... ...

Abstract	Hospital and municipal wastewater contribute to the spread of antibiotic-resistant bacteria and genes in the environment. This study aimed to examine the antibiotic resistance and β-lactamase production in clinically significant Gram-negative bacteria isolated from hospital and municipal wastewater. The susceptibility of bacteria to antibiotics was tested using the disk diffusion method, and the presence of extended-spectrum β-lactamases (ESBL) and carbapenemases was determined using an enzyme inhibitor and standard multiplex PCR. Analysis of antimicrobial resistance of total bacterial strains (
Language	English
Publishing date	2023-03-26
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2681345-2
ISSN	2079-6382
ISSN	2079-6382
DOI	10.3390/antibiotics12040653
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Editorial: Improving crop nutritional security for sustainable agriculture in the era of climate change.

Khan, M Iqbal R / Irfan, Mohammad / Gupta, Ravi

Frontiers in plant science

2023 Volume 14, Page(s) 1292264

Language	English
Publishing date	2023-09-25
Publishing country	Switzerland
Document type	Editorial
ZDB-ID	2613694-6
ISSN	1664-462X
ISSN	1664-462X
DOI	10.3389/fpls.2023.1292264
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Article ; Online: Dangerous sugars: Structural diversity and functional significance of acylsugar-like defense compounds in flowering plants.

Moghe, Gaurav / Irfan, Mohammad / Sarmah, Bhaswati

Current opinion in plant biology

2023 Volume 73, Page(s) 102348

Abstract: Acylsugars constitute a diverse class of secondary metabolites found in many flowering plant families. Comprising sugar cores and acyl groups connected by ester and/or ether linkages, acylsugar structures vary considerably at all taxonomic levels - from ... ...

Abstract	Acylsugars constitute a diverse class of secondary metabolites found in many flowering plant families. Comprising sugar cores and acyl groups connected by ester and/or ether linkages, acylsugar structures vary considerably at all taxonomic levels - from populations of the same species to across species of the same family and across flowering plants, with some species producing hundreds of acylsugars in a single organ. Acylsugars have been most well-studied in the Solanaceae family, but structurally analogous compounds have also been reported in the Convolvulaceae, Martyniaceae, Geraniaceae, Rubiaceae, Rosaceae and Caryophyllaceae families. Focusing on Solanaceae and Convolvulaceae acylsugars, this review highlights their structural diversity, the potential biosynthetic mechanisms that produce this diversity, and its functional significance. Finally, we also discuss the possibility that some of this diversity is merely "noise", arising out of enzyme promiscuity and/or non-adaptive evolutionary mechanisms.
MeSH term(s)	Sugars/metabolism ; Magnoliopsida/metabolism ; Biological Evolution
Chemical Substances	Sugars
Language	English
Publishing date	2023-02-24
Publishing country	England
Document type	Journal Article ; Review
ZDB-ID	1418472-2
ISSN	1879-0356 ; 1369-5266
ISSN (online)	1879-0356
ISSN	1369-5266
DOI	10.1016/j.pbi.2023.102348
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Article ; Online: Dangerous sugars: Structural diversity and functional significance of acylsugar-like defense compounds in flowering plants

Moghe, Gaurav / Irfan, Mohammad / Sarmah, Bhaswati

Current Opinion in Plant Biology. 2023 June, v. 73 p.102348-

2023

Abstract	Acylsugars constitute a diverse class of secondary metabolites found in many flowering plant families. Comprising sugar cores and acyl groups connected by ester and/or ether linkages, acylsugar structures vary considerably at all taxonomic levels – from populations of the same species to across species of the same family and across flowering plants, with some species producing hundreds of acylsugars in a single organ. Acylsugars have been most well-studied in the Solanaceae family, but structurally analogous compounds have also been reported in the Convolvulaceae, Martyniaceae, Geraniaceae, Rubiaceae, Rosaceae and Caryophyllaceae families. Focusing on Solanaceae and Convolvulaceae acylsugars, this review highlights their structural diversity, the potential biosynthetic mechanisms that produce this diversity, and its functional significance. Finally, we also discuss the possibility that some of this diversity is merely “noise”, arising out of enzyme promiscuity and/or non-adaptive evolutionary mechanisms.
Keywords	Caryophyllaceae ; Convolvulaceae ; Geraniaceae ; Martyniaceae ; Rosaceae ; Rubiaceae ; Solanaceae ; biosynthesis ; enzymes ; plant biology ; secondary metabolites ; sugars ; Acylsugars ; Metabolic diversity ; Specialized metabolites
Language	English
Dates of publication	2023-06
Publishing place	Elsevier Ltd
Document type	Article ; Online
ZDB-ID	1418472-2
ISSN	1879-0356 ; 1369-5266
ISSN (online)	1879-0356
ISSN	1369-5266
DOI	10.1016/j.pbi.2023.102348
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Article ; Online: Magnetically recoverable Ni-doped iron oxide/graphitic carbon nitride nanocomposites for the improved photocatalytic degradation of ciprofloxacin: Investigation of degradation pathways.

Naga Lakshmi, Chinthalapudi / Irfan, Mohammad / Sinha, Rahul / Singh, Narendra

Environmental research

2023 Volume 242, Page(s) 117812

Abstract: Developing efficient and effective photocatalysts is essential for organic dyes and antibiotic degradation in wastewater. Ni-doped α- ... ...

Abstract	Developing efficient and effective photocatalysts is essential for organic dyes and antibiotic degradation in wastewater. Ni-doped α-Fe
MeSH term(s)	Ciprofloxacin/chemistry ; Wastewater ; Light ; Nanocomposites/chemistry ; Environmental Pollutants ; Ferric Compounds ; Graphite ; Nitrogen Compounds
Chemical Substances	Ciprofloxacin (5E8K9I0O4U) ; graphitic carbon nitride ; ferric oxide (1K09F3G675) ; Wastewater ; Environmental Pollutants ; Ferric Compounds ; Graphite (7782-42-5) ; Nitrogen Compounds
Language	English
Publishing date	2023-12-01
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	205699-9
ISSN	1096-0953 ; 0013-9351
ISSN (online)	1096-0953
ISSN	0013-9351
DOI	10.1016/j.envres.2023.117812
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Article ; Online: Fruit ripening specific expression of β-D-N-acetylhexosaminidase (β-Hex) gene in tomato is transcriptionally regulated by ethylene response factor SlERF.E4.

Irfan, Mohammad / Kumar, Pankaj / Kumar, Vinay / Datta, Asis

Plant science : an international journal of experimental plant biology

2022 Volume 323, Page(s) 111380

Abstract: N-glycans and N-glycan processing enzymes are key players in regulating the ripening of tomato (Solanum lycopersicum) fruits, a model for fleshy fruit ripening. β-D-N-acetylhexosaminidase (β-Hex) is a N-glycan processing enzyme involved in fruit ripening. ...

Abstract	N-glycans and N-glycan processing enzymes are key players in regulating the ripening of tomato (Solanum lycopersicum) fruits, a model for fleshy fruit ripening. β-D-N-acetylhexosaminidase (β-Hex) is a N-glycan processing enzyme involved in fruit ripening. The suppression of β-Hex results in enhanced fruit shelf life and firmness in both climacteric and non-climacteric fruits. Previously, we have shown that ripening specific expression of β-Hex is regulated by RIPENING INHIBITOR (RIN), ABSCISIC ACID STRESS RIPENING 1 (SlASR1) and ethylene. However, the precise mechanism of ethylene-mediated regulation of β-Hex remains elusive. To gain insights into this, we have performed 5' deletion mapping of tomato β-Hex promoter and a shorter promoter fragment (pD-200, 200 bp upstream to translational start site) is identified, which was found critical for spatio-temporal transcriptional regulation of β-Hex. Further, site specific mutagenesis in RIN and ASR1 binding sites in pD-200 provides key insights into ripening specific promoter activity. Furthermore, induction of GUS activity by ethylene, yeast one hybrid assay and EMSA identify Ethylene Response Factor SlERF.E4 as a positive regulator of β-Hex. Taken together, our study suggest that SlERF.E4 together with RIN and SlASR1 transcriptionally regulates β-Hex and all these three proteins are essential for fruit ripening specific expression of β-Hex in tomato.
MeSH term(s)	Ethylenes/metabolism ; Fruit/metabolism ; Gene Expression Regulation, Plant ; Lycopersicon esculentum/metabolism ; Plant Proteins/genetics ; Plant Proteins/metabolism
Chemical Substances	Ethylenes ; Plant Proteins
Language	English
Publishing date	2022-07-14
Publishing country	Ireland
Document type	Journal Article
ZDB-ID	742010-9
ISSN	1873-2259 ; 0168-9452
ISSN (online)	1873-2259
ISSN	0168-9452
DOI	10.1016/j.plantsci.2022.111380
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Article: Antimicrobial Resistance and Its Drivers-A Review.

Irfan, Mohammad / Almotiri, Alhomidi / AlZeyadi, Zeyad Abdullah

Antibiotics (Basel, Switzerland)

2022 Volume 11, Issue 10

Abstract: Antimicrobial resistance (AMR) is a critical issue in health care in terms of mortality, quality of services, and financial damage. In the battle against AMR, it is crucial to recognize the impacts of all four domains, namely, mankind, livestock, ... ...

Abstract	Antimicrobial resistance (AMR) is a critical issue in health care in terms of mortality, quality of services, and financial damage. In the battle against AMR, it is crucial to recognize the impacts of all four domains, namely, mankind, livestock, agriculture, and the ecosystem. Many sociocultural and financial practices that are widespread in the world have made resistance management extremely complicated. Several pathways, including hospital effluent, agricultural waste, and wastewater treatment facilities, have been identified as potential routes for the spread of resistant bacteria and their resistance genes in soil and surrounding ecosystems. The overuse of uncontrolled antibiotics and improper treatment and recycled wastewater are among the contributors to AMR. Health-care organizations have begun to address AMR, although they are currently in the early stages. In this review, we provide a brief overview of AMR development processes, the worldwide burden and drivers of AMR, current knowledge gaps, monitoring methodologies, and global mitigation measures in the development and spread of AMR in the environment.
Language	English
Publishing date	2022-10-05
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	2681345-2
ISSN	2079-6382
ISSN	2079-6382
DOI	10.3390/antibiotics11101362
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Article ; Online: Author Correction: Unraveling the role of tomato Bcl-2-associated athanogene (BAG) proteins during abiotic stress response and fruit ripening.

Irfan, Mohammad / Kumar, Pankaj / Ahmad, Irshad / Datta, Asis

Scientific reports

2022 Volume 12, Issue 1, Page(s) 3503

Language	English
Publishing date	2022-02-25
Publishing country	England
Document type	Published Erratum
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-022-07666-7
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Article ; Online: Fruit ripening specific expression of β-D-N-acetylhexosaminidase (β-Hex) gene in tomato is transcriptionally regulated by ethylene response factor SlERF.E4

Irfan, Mohammad / Kumar, Pankaj / Kumar, Vinay / Datta, Asis

Plant Science. 2022 Oct., v. 323 p.111380-

2022

Abstract	N-glycans and N-glycan processing enzymes are key players in regulating the ripening of tomato (Solanum lycopersicum) fruits, a model for fleshy fruit ripening. β-D-N-acetylhexosaminidase (β-Hex) is a N-glycan processing enzyme involved in fruit ripening. The suppression of β-Hex results in enhanced fruit shelf life and firmness in both climacteric and non-climacteric fruits. Previously, we have shown that ripening specific expression of β-Hex is regulated by RIPENING INHIBITOR (RIN), ABSCISIC ACID STRESS RIPENING 1 (SlASR1) and ethylene. However, the precise mechanism of ethylene-mediated regulation of β-Hex remains elusive. To gain insights into this, we have performed 5' deletion mapping of tomato β-Hex promoter and a shorter promoter fragment (pD-200, 200 bp upstream to translational start site) is identified, which was found critical for spatio-temporal transcriptional regulation of β-Hex. Further, site specific mutagenesis in RIN and ASR1 binding sites in pD-200 provides key insights into ripening specific promoter activity. Furthermore, induction of GUS activity by ethylene, yeast one hybrid assay and EMSA identify Ethylene Response Factor SlERF.E4 as a positive regulator of β-Hex. Taken together, our study suggest that SlERF.E4 together with RIN and SlASR1 transcriptionally regulates β-Hex and all these three proteins are essential for fruit ripening specific expression of β-Hex in tomato.
Keywords	Solanum lycopersicum ; abscisic acid ; climacteric fruits ; enzymes ; ethylene ; firmness ; genes ; hybrids ; models ; mutagenesis ; shelf life ; tomatoes ; transcription (genetics) ; yeasts ; β-Hex ; Ethylene, Fruit Ripening ; Promoter ; RIN ; SlASR1 ; SlERF.E4
Language	English
Dates of publication	2022-10
Publishing place	Elsevier B.V.
Document type	Article ; Online
ZDB-ID	742010-9
ISSN	1873-2259 ; 0168-9452
ISSN (online)	1873-2259
ISSN	0168-9452
DOI	10.1016/j.plantsci.2022.111380
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Assessment of health risk, genotoxicity, and thiol compounds in Trigonella foenum-graecum (Fenugreek) under arsenic stress

Ahmad, Javed / Yasmeen, Rubina / Irfan, Mohammad / Al-Huqail, Asma A. / Qureshi, Mohammad Irfan

Environ Sci Pollut Res. 2023 Jan., v. 30, no. 1 p.884-898

2023

Abstract: Arsenic (As) traces have been reported worldwide in vegetables and crops cultivated in As-polluted soils. Being carcinogenic, the presence of As in edibles is of great concern as it ultimately reaches humans and animals through the food chain. Besides, ... ...

Abstract	Arsenic (As) traces have been reported worldwide in vegetables and crops cultivated in As-polluted soils. Being carcinogenic, the presence of As in edibles is of great concern as it ultimately reaches humans and animals through the food chain. Besides, As toxicity adversely affects the growth, physiology, metabolism, and productivity of crops. In the present study, Trigonella foenum-graecum (Fenugreek) was exposed to the As stress (0, 50, 100, and 150 μM sodium arsenate) for a week. Further, evaluation of As accumulation in roots and shoots, magnitude and visualization of oxyradicals, and thiol-based defence offered by Fenugreek was assessed. The root and leaf accumulated 258–453 μg g⁻¹ dry wt (DW) and 81.4–102.1 μg g⁻¹ DW of As, respectively. An arsenic-mediated decline in the growth index and increase in oxidative stress was noted. Arsenic stress modulated the content of thiol compounds; especially cysteine content increased from 0.36 to 0.43 µmole g⁻¹ FW protein was noted. Random Amplified Polymorphic DNA (RAPD)–based analysis showed DNA damage in As-treated plants. Health risk assessment parameters showed that As concentration in the consumable plant shoot was below the critical hazard level (hazard quotient < 1). Moreover, T. foenum-graecum showed varied responses to As-induced oxidative stress with applied concentrations (150 μM being more toxic than lower concentrations). In addition, the RAPD profile and level of thiol compounds were proved significant biomarkers to assess the As toxicity in plants. The conclusion of this study will help users of fenugreek to have a clue and create awareness regarding the consumption.
Keywords	DNA damage ; Trigonella foenum-graecum ; arsenic ; biomarkers ; carcinogenicity ; cysteine ; decline ; fenugreek ; food chain ; genotoxicity ; health effects assessments ; leaves ; metabolism ; oxidative stress ; random amplified polymorphic DNA technique ; risk ; sodium arsenate ; thiols
Language	English
Dates of publication	2023-01
Size	p. 884-898.
Publishing place	Springer Berlin Heidelberg
Document type	Article ; Online
ZDB-ID	1178791-0
ISSN	1614-7499 ; 0944-1344
ISSN (online)	1614-7499
ISSN	0944-1344
DOI	10.1007/s11356-022-22269-5
Database	NAL-Catalogue (AGRICOLA)

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