Enhancement of Plant Secondary Metabolites Using Fungal Endophytes

Hussain, Touseef; Javed, Mulla; Shaikh, Samrin; Tabasum, Bilquees; Hussain, Kashif; Ansari, Moh Sajid; Khan, Amir; Khan, Abrar Ahmad

doi:10.1201/9781003034957-4

Cited by 4 publications

(2 citation statements)

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“…The present results showed that chlorophyll a and b contents were significantly decreased, but carotenoids were raised in the Fusarium -infected plants. Photosynthesis is the main purpose of plants, empowering them to convert light energy into chemical energy, which is next utilized in all cell activities, and it is highly altered by pathogenic infection [ 72 , 74 ]. This decreases in chlorophyll pigments can be explained by Choudhury and Panda, Jahan et al and Singh et al [ 75 , 76 , 77 ]; they mentioned that the decrease in chlorophyll is a result of oxidative stress after injury due to the release of free radicals, causing damage or distortion in the formation of chloroplasts, and this means the failure or inability of the plant to capture light and carry out the process of photosynthesis.…”

Section: Discussionmentioning

confidence: 99%

Plant Growth-Promoting Fungi as Biocontrol Tool against Fusarium Wilt Disease of Tomato Plant

Attia

Abdelaziz

Al-Askar

et al. 2022

JoF

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Plant growth-promoting fungi (PGPF) improve plant health and resist plant pathogens. The present study was carried out to biocontrol tomato Fusarium wilt using PGPF through antifungal activity and enhance tomato plant immune response. Four PGPF were identified genetically as Aspergillus flavus, Aspergillus niger, Mucor circinelloides and Pencillium oxalicum. In vitro antagonistic activity assay of PGPF against Fusariumoxysporum was evaluated, where it exhibited promising antifungal activity where MIC was in the range 0.25–0.5 mg/mL. Physiological markers of defense in a plant as a response to stimulation of induced systemic resistance (ISR) were recorded. Our results revealed that A. niger, M. circinelloides, A. flavus and P. oxalicum strains significantly reduced percentages of disease severity by 16.60% and 20.83% and 37.50% and 45.83 %, respectively. In addition, they exhibited relatively high protection percentages of 86.35%, 76.87%, 56.87% and 59.06 %, respectively. With concern to the control, it is evident that the percentage of disease severity was about 87.50%. Moreover, the application of M. circinelloides, P. oxalicum, A. niger and A. flavus successfully recovered the damage to morphological traits, photosynthetic pigments’ total carbohydrate and total soluble protein of infected plants. Moreover, the application of tested PGPF enhanced the growth of healthy and infected tomato plants.

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Section: Discussionmentioning

confidence: 99%

Plant Growth-Promoting Fungi as Biocontrol Tool against Fusarium Wilt Disease of Tomato Plant

Attia

Abdelaziz

Al-Askar

et al. 2022

JoF

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“…This indicates that responses to subclinical or clinical mastitis were driving this end of the axis. Lymphocytes are usually depleted in mastitic milk, at the same time as neutrophils increase in number (Hussain et al, 2012), and their proliferation is dependent on Ca, which is often deficient at this time (Kimura et al, 2006). Divalent cations, however, are neither osmotically active nor homeostatically controlled in milk, yet they are potentially deficient in their support for the lymphocyte response to bacterial infection of the mammary gland.…”

Section: The Regression Equation For Milk Yield and Hemoglobin Wasmentioning

confidence: 99%

Physiological Constraints to Milk Production in High Yielding Dairy Cows

Moghadam¹,

Nozad²,

Phillips³

2021

Int.J.Curr.Microbiol.App.Sci

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Milk yields and their relationships with blood and milk metabolic parameters were assessed in 59 high-yielding Holstein cows over the course of their lactation to identify metabolic constraints to daily milk production. Over an 11 month lactation period the cows, which were milked thrice daily and fed a total mix ration, had a mean daily milk yield of 35.5 l. Blood parameters monitored were haematocrit (PCV), erythrocytes (RBC), leucocytes (WCC), hemoglobin, neutrophils, lymphocytes, monocytes, eosinophils, urea, protein, creatinine, triglycerides, cholesterol, magnesium (Mg), phosphorus (P), calcium (Ca), sodium (Na), potassium (K), chloride (Cl), aspartates aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), and glutamic gammatransferase (GGT). Stepwise regression indicated that blood haemoglobin concentration was most closely and positively correlated with milk yield, indicating that oxygen-carrying capacity was potentially a limit to milk production. Secondly, milk Na was negatively correlated with milk yield, and milk protein yield was negatively correlated with milk Mg, Ca and Na, demonstrating lack of homeostatic control of these elements in milk. Principal component analysis identified a primary metabonomic axis of hemoglobin and RBC concentrations at one end and blood K, Na and milk lactose at the other, which appeared related to milk production. A second axis was apparent of milk divalent cations at one end and monovalent cations at the other. It is concluded that constraints to milk production in high yielding cows may exist due to limited oxygen-carrying capacity of the blood, as well as monovalent cations.

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