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Article ; Online: Nitrogen fixing cereal: A rising hero towards meeting food security.

Priyadarshini, Parichita / Choudhury, Sharani / Tilgam, Jyotsana / Bharati, Alka / Sreeshma, N

2021 Volume 167, Page(s) 912–920

Abstract: Nitrogen serves as one of the primary components of major biomolecules and thus extends a significant contribution to crop growth and yield. But the inability of plants to utilize freely available atmospheric ... ...

Abstract	Nitrogen serves as one of the primary components of major biomolecules and thus extends a significant contribution to crop growth and yield. But the inability of plants to utilize freely available atmospheric N
MeSH term(s)	Edible Grain ; Food Security ; Nitrogen ; Nitrogen Fixation ; Symbiosis
Chemical Substances	Nitrogen (N762921K75)
Language	English
Publishing date	2021-09-10
Publishing country	France
Document type	Journal Article ; Review
ZDB-ID	742978-2
ISSN	1873-2690 ; 0981-9428
ISSN (online)	1873-2690
ISSN	0981-9428
DOI	10.1016/j.plaphy.2021.09.012
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Article: First Report of Root Rot Disease in Green Gram (

Kashyap, Abhijeet Shankar / Manzar, Nazia / Ahamad, Faheem / Tilgam, Jyotsana / Sharma, Pawan Kumar / Saxena, Anil Kumar

Plant disease

2022 , Page(s) PDIS11212400PDN

Language	English
Publishing date	2022-06-30
Publishing country	United States
Document type	Journal Article
ZDB-ID	754182-x
ISSN	0191-2917
ISSN	0191-2917
DOI	10.1094/PDIS-11-21-2400-PDN
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Article: Colonization potential of endophytes from halophytic plants growing in the "Runn of Kutch" salt marshes and their contribution to mitigating salt stress in tomato cultivation.

Sahu, Pramod K / Shafi, Zaryab / Singh, Shailendra / Ojha, Khushboo / Jayalakshmi, K / Tilgam, Jyotsana / Manzar, Nazia / Sharma, Pawan K / Srivastava, Alok K

Frontiers in microbiology

2023 Volume 14, Page(s) 1226149

Abstract: Increasing soil salinity depreciates the quantity of the crop produce. Looking at the tremendous potential of plant-associated microorganisms in salinity stress mitigation, it would be very useful in exploring and deciphering salt-tolerant microorganisms ...

Abstract	Increasing soil salinity depreciates the quantity of the crop produce. Looking at the tremendous potential of plant-associated microorganisms in salinity stress mitigation, it would be very useful in exploring and deciphering salt-tolerant microorganisms from halophytic plants and their utilization in cultivated plants. With this aim, in the present study, four halophytic plants were taken from Rann of Kutch, and bacterial endophytes were isolated from different plant organs. These endophytes were characterized by plant growth and health promotion features. The molecular identification was done based on 16 s rRNA sequence similarity. It was found that the endophytic bacteria isolated from 4 different halophytes found sharing phylogenetic relatedness. Four potential endophytes
Language	English
Publishing date	2023-08-29
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2587354-4
ISSN	1664-302X
ISSN	1664-302X
DOI	10.3389/fmicb.2023.1226149
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Article ; Online: Host-Delivered RNA Interference for Durable Pest Resistance in Plants: Advanced Methods, Challenges, and Applications.

Saakre, Manjesh / Jaiswal, Sandeep / Rathinam, Maniraj / Raman, K Venkat / Tilgam, Jyotsana / Paul, Krishnayan / Sreevathsa, Rohini / Pattanayak, Debasis

Molecular biotechnology

2023

Abstract: Insect-pests infestation greatly affects global agricultural production and is projected to become more severe in upcoming years. There is concern about pesticide application being ineffective due to insect resistance and environmental toxicity. Reduced ... ...

Abstract	Insect-pests infestation greatly affects global agricultural production and is projected to become more severe in upcoming years. There is concern about pesticide application being ineffective due to insect resistance and environmental toxicity. Reduced effectiveness of Bt toxins also made the scientific community shift toward alternative strategies to control devastating agricultural pests. With the advent of host-delivered RNA interference, also known as host-induced gene silencing, targeted insect genes have been suppressed through genetic engineering tools to deliver a novel insect-pest resistance strategy for combating a number of agricultural pests. This review recapitulates the possible mechanism of host-delivered RNA interference (HD-RNAi), in particular, the silencing of target genes of insect-pests. We emphasize the development of the latest strategies against evolving insect targets including designing of artificial microRNAs, vector constructs, and the benefit of using plastid transformation to transform target RNA-interfering genes. Advantages of using HD-RNAi over other small RNA delivery modes and also the supremacy of HD-RNAi over the CRISPR-Cas system particularly for insect resistance have been described. However, the broader application of this technology is restricted due to its several limitations. Using artificial miRNA designs, the host-delivered RNAi + Bt combinatorial approach and chloroplast transformation can overcome limitations of RNAi. With careful design and delivery approaches, RNAi promises to be extremely valuable and effective plant protection strategy to attain durable insect-pest resistance in crops. Development of transgenic plant using novel strategies to achieve durable resistance against the target insect.
Language	English
Publishing date	2023-07-31
Publishing country	Switzerland
Document type	Journal Article ; Review
ZDB-ID	1193057-3
ISSN	1559-0305 ; 1073-6085
ISSN (online)	1559-0305
ISSN	1073-6085
DOI	10.1007/s12033-023-00833-9
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Article: First Report of Root Rot Disease in Green Gram (Vigna radiata) Caused by Ectophoma multirostrata in India

Kashyap, Abhijeet Shankar / Manzar, Nazia / Ahamad, Faheem / Tilgam, Jyotsana / Sharma, Pawan Kumar / Saxena, Anil Kumar

Plant disease. 2022 Aug. 01, v. 106, no. 8

2022

Abstract: A disease survey was conducted in green gram (Vigna radiata) growing areas of Bharuch, Gujarat, India, in February 2020. Root rot was observed on cultivar NVL-585 in 30 fields surveyed, with 15 to 20% disease incidence. Infected plants showed foliar ... ...

Abstract	A disease survey was conducted in green gram (Vigna radiata) growing areas of Bharuch, Gujarat, India, in February 2020. Root rot was observed on cultivar NVL-585 in 30 fields surveyed, with 15 to 20% disease incidence. Infected plants showed foliar chlorosis, brown discoloration, dark black brittle roots with necrotic lesions, and sometimes died. The root rot causal agent was isolated on potato dextrose agar (PDA) from 25 symptomatic samples collected from 10 diseased plants and pure cultures were obtained using the single hyphal tip method. The cultures were grayish black with a smooth texture. Conidia were single celled, elliptical to oval in shape, and 5.2 to 6.5 μm (n = 25) in length and 2.7 to 3.4 µm in width. Plastic pots (15 cm in diameter) were filled with autoclaved soil (1.5 kg/pot) inoculated with a 15-day-old culture of the fungus at 3 g/kg (10⁸ CFU/g). After 7 days, the local green gram cultivar HUM 16 was sown into the pots. Seedlings were thinned to 10 per pot. Chlorosis of leaves, rotting of roots, and even plant death were observed at 20, 30, and 40 days after seeding. The experiment was conducted twice to fulfill Koch’s postulates. The fungus was reisolated from the root rot samples, and identical colony morphology was observed as seen previously. Based on the cultural characteristics and conidial morphology, the fungus belonged to Ectophoma sp. (Boerema et al. 2004). ITS, D1 and D2 regions of LSU, and β-tubulin were used for molecular identification. The BLASTn analysis of ITS, the D1 and D2 region of the LSU gene, and β-tubulin gene sequences of isolate G80 showed 100% similarity with accession number MH858623 (Vu et al. 2012), 99.82% similarity with MH870612 (Vu et al. 2012), and 100% similarity with MN983939 (Hou et al. 2020). The gene sequence was submitted to NCBI GenBank, with accession numbers for ITS, the D1 and D2 region of LSU, and β-tubulin of MW165415, MW813868, and LC656357, respectively. The pathogen was previously reported from other hosts such as Fuchsia × hybrida, Origanum vulgare, Lavandula angustifolia, Cicer arietinum, and Coriandrum sativum. It can cause substantial economic damage to a wide range of commercially important crops. To the best of our knowledge, this is the first report of E. multirostrata causing root rot disease of green gram in India.
Keywords	Cicer arietinum ; Coriandrum sativum ; Fuchsia ; Lavandula angustifolia ; Origanum vulgare ; Vigna radiata ; autoclaving ; brittleness ; chlorosis ; conidia ; cultivars ; culture media ; death ; discoloration ; disease incidence ; fungi ; genes ; hyphae ; mung beans ; pathogens ; root rot ; soil ; surveys ; texture ; India
Language	English
Dates of publication	2022-0801
Publishing place	The American Phytopathological Society
Document type	Article
ZDB-ID	754182-x
ISSN	0191-2917
ISSN	0191-2917
DOI	10.1094/PDIS-11-21-2400-PDN
Database	NAL-Catalogue (AGRICOLA)

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Article: Nitrogen fixing cereal: A rising hero towards meeting food security

Priyadarshini, Parichita / Choudhury, Sharani / Tilgam, Jyotsana / Bharati, Alka / Sreeshma, N.

Plant physiology and biochemistry. 2021 Oct., v. 167

2021

Abstract	Nitrogen serves as one of the primary components of major biomolecules and thus extends a significant contribution to crop growth and yield. But the inability of plants to utilize freely available atmospheric N₂ makes the whole agricultural system dependent on chemical fertilizers, which incur significant input cost to supplement required quantities of nitrogen to crops. Only bacteria and archaea have been gifted with the power of drawing free N₂ from air to convert them into NH₃, which is one of the two utilizable forms of nitrogen taken up by plants. Legumes, the only family of crops, can engage themselves in symbiotic nitrogen fixation where they establish a mutualistic relationship with nitrogen-fixing bacteria and in turn, can waive off the necessity of adding nitrogen fertilizers. Sincere effort, therefore, has been undertaken to incorporate this capability of nitrogen-fixation into non-legume crops, especially cereals which make up a vital portion in the food basket. Biotechnological interventions have also played important role in providing nitrogen fixing trait to non-legumes. This review takes up an effort to look into and accumulate all the important updates to date regarding nitrogen-fixing non-legumes with a special focus on cereals, which is one of the most important future goals in the field of science in the present era.
Keywords	Archaea ; air ; biochemical compounds ; food security ; nitrogen ; nitrogen fixation ; plant physiology
Language	English
Dates of publication	2021-10
Size	p. 912-920.
Publishing place	Elsevier Masson SAS
Document type	Article
ZDB-ID	742978-2
ISSN	1873-2690 ; 0981-9428
ISSN (online)	1873-2690
ISSN	0981-9428
DOI	10.1016/j.plaphy.2021.09.012
Database	NAL-Catalogue (AGRICOLA)

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Article: Success of microbial genes based transgenic crops: Bt and beyond Bt

Tilgam, Jyotsana / Kumar, Kuldeep / Jayaswal, Deepanshu / Choudhury, Sharani / Kumar, Adarsh / Jayaswall, Kuldip / Saxena, Anil Kumar

Molecular biology reports. 2021 Dec., v. 48, no. 12

2021

Abstract: Transgenic technology could hold the key to help farmers to fulfill the ever increasing fast-paced global demand for food. Microbes have always wondered us by their potentials and thriving abilities in the extreme conditions. The use of microorganisms as ...

Abstract	Transgenic technology could hold the key to help farmers to fulfill the ever increasing fast-paced global demand for food. Microbes have always wondered us by their potentials and thriving abilities in the extreme conditions. The use of microorganisms as a gene source in transgenic development is a promising option for crop improvement. The aforesaid approach has already for improving the characteristics of food, industrial, horticulture, and floriculture crops. Many transgenic crops containing microbial genes have been accepted by the farmers and consumers worldwide over the last few decades. The acceptance has brought remarkable changes in the status of society by providing food safety, economic, and health benefits. Among transgenic plants harboring microbial genes, Bacillus thuringiensis (Bt) based transgenic were more focused and documented owing to its significant performance in controlling insects. However, other microbial gene-based transgenic plants have also reserved their places in the farmer’s field globally. Therefore, in this review, we have thrown some light on successful transgenic plants harboring microbial genes other than Bt, having application in agriculture. Also, we presented the role of microbial genetic element and product thereof in the inception of biotechnology and discussed the potential of microbial genes in crop improvement.
Keywords	Bacillus thuringiensis ; biotechnology ; farmers ; floriculture ; food safety ; genes ; genetic engineering ; molecular biology ; society
Language	English
Dates of publication	2021-12
Size	p. 8111-8122.
Publishing place	Springer Netherlands
Document type	Article
Note	Review
ZDB-ID	186544-4
ISSN	1573-4978 ; 0301-4851
ISSN (online)	1573-4978
ISSN	0301-4851
DOI	10.1007/s11033-021-06760-9
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Surface sterilization for isolation of endophytes: Ensuring what (not) to grow.

Sahu, Pramod K / Tilgam, Jyotsana / Mishra, Sushma / Hamid, Saima / Gupta, Amrita / K, Jayalakshmi / Verma, Satish K / Kharwar, Ravindra N

Journal of basic microbiology

2022 Volume 62, Issue 6, Page(s) 647–668

Abstract: Endophytic microbiota opens a magnificent arena of metabolites that served as a potential source of medicines for treating a variety of ailments and having prospective uses in agriculture, food, cosmetics, and many more. There are umpteen reports of ... ...

Abstract	Endophytic microbiota opens a magnificent arena of metabolites that served as a potential source of medicines for treating a variety of ailments and having prospective uses in agriculture, food, cosmetics, and many more. There are umpteen reports of endophytes improving the growth and tolerance of plants. In addition, endophytes from lifesaving drug-producing plants such as Taxus, Nothapodytes, Catharanthus, and so forth have the ability to produce host mimicking compounds. To harness these benefits, it is imperative to isolate the true endophytes, not the surface microflora. The foremost step in endophyte isolation is the removal of epiphytic microbes from plant tissues, called as surface sterilization. The success of surface sterilization decides "what to grow" (the endophytes) and "what not to grow" (the epiphytes). It is very crucial to use an appropriate sterilant solution, concentration, and exposure time to ensure thorough surface disinfection with minimal damage to the endophytic diversity. Commonly used surface sterilants include sodium hypochlorite (2%-10%), ethanol (70%-90%), mercuric chloride (0.1%), formaldehyde (40%), and so forth. In addition, the efficiency could further be improved by pretreatment with surfactants such as Triton X-100, Tween 80, and Tween 20. This review comprehensively deals with the various sterilants and sterilization methods for the isolation of endophytic microbes. In addition, the mechanisms and rationale behind using specific surface sterilants have also been elaborated at length.
MeSH term(s)	Endophytes ; Plants, Medicinal ; Prospective Studies ; Sterilization ; Taxus
Language	English
Publishing date	2022-01-12
Publishing country	Germany
Document type	Journal Article ; Review
ZDB-ID	632513-0
ISSN	1521-4028 ; 0233-111X
ISSN (online)	1521-4028
ISSN	0233-111X
DOI	10.1002/jobm.202100462
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Article: Surface sterilization for isolation of endophytes: Ensuring what (not) to grow

Sahu, Pramod K. / Tilgam, Jyotsana / Mishra, Sushma / Hamid, Saima / Gupta, Amrita / K., Jayalakshmi / Verma, Satish K. / Kharwar, Ravindra N.

Journal of basic microbiology. 2022 June, v. 62, no. 6

2022

Abstract	Endophytic microbiota opens a magnificent arena of metabolites that served as a potential source of medicines for treating a variety of ailments and having prospective uses in agriculture, food, cosmetics, and many more. There are umpteen reports of endophytes improving the growth and tolerance of plants. In addition, endophytes from lifesaving drug‐producing plants such as Taxus, Nothapodytes, Catharanthus, and so forth have the ability to produce host mimicking compounds. To harness these benefits, it is imperative to isolate the true endophytes, not the surface microflora. The foremost step in endophyte isolation is the removal of epiphytic microbes from plant tissues, called as surface sterilization. The success of surface sterilization decides “what to grow” (the endophytes) and “what not to grow” (the epiphytes). It is very crucial to use an appropriate sterilant solution, concentration, and exposure time to ensure thorough surface disinfection with minimal damage to the endophytic diversity. Commonly used surface sterilants include sodium hypochlorite (2%–10%), ethanol (70%–90%), mercuric chloride (0.1%), formaldehyde (40%), and so forth. In addition, the efficiency could further be improved by pretreatment with surfactants such as Triton X‐100, Tween 80, and Tween 20. This review comprehensively deals with the various sterilants and sterilization methods for the isolation of endophytic microbes. In addition, the mechanisms and rationale behind using specific surface sterilants have also been elaborated at length.
Keywords	Catharanthus ; Taxus ; cosmetics ; disinfection ; endophytes ; epiphytes ; ethanol ; exposure duration ; formaldehyde ; mercuric chloride ; metabolites ; microorganisms ; octoxynol ; polysorbates ; sodium hypochlorite
Language	English
Dates of publication	2022-06
Size	p. 647-668.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	REVIEW
ZDB-ID	632513-0
ISSN	1521-4028 ; 0233-111X
ISSN (online)	1521-4028
ISSN	0233-111X
DOI	10.1002/jobm.202100462
Database	NAL-Catalogue (AGRICOLA)

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Article: Amelioration of cold-induced sweetening in potato by RNAi mediated silencing of

Jaiswal, Sandeep / Paul, Krishnayan / Raman, K Venkat / Tyagi, Saurabh / Saakre, Manjesh / Tilgam, Jyotsana / Bhattacharjee, Sougata / Vijayan, Joshitha / Mondal, Kalyan Kumar / Sreevathsa, Rohini / Pattanayak, Debasis

Frontiers in plant science

2023 Volume 14, Page(s) 1133029

Abstract: Cold-induced sweetening (CIS) is an unwanted physiological phenomenon in which reducing sugars (RS) get accumulated in potato ( ...

Abstract	Cold-induced sweetening (CIS) is an unwanted physiological phenomenon in which reducing sugars (RS) get accumulated in potato (
Language	English
Publishing date	2023-02-17
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2613694-6
ISSN	1664-462X
ISSN	1664-462X
DOI	10.3389/fpls.2023.1133029
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