scholarly journals A novel antimicrobial target—expanded and revisited mode of action of pantothenamides

RSC Advances ◽  
2016 ◽  
Vol 6 (50) ◽  
pp. 44888-44895 ◽  
Author(s):  
Aleksandra Maršavelski
Keyword(s):  
Fatty Acid ◽  
Mode Of Action ◽  
Fatty Acid Biosynthesis ◽  
Acid Biosynthesis ◽  
Schematic Representation

A schematic representation showing the proposed stuffed pepper-like inhibition of the chain-flipping mechanism in fatty-acid biosynthesis.

scholarly journals Mechanistic analysis of aliphatic β-lactones in Vibrio harveyi reveals a quorum sensing independent mode of action

2016 ◽  
Vol 52 (80) ◽  
pp. 11971-11974 ◽  
Author(s):  
Weining Zhao ◽  
Nicola Lorenz ◽  
Kirsten Jung ◽  
Stephan A. Sieber
Keyword(s):  
Fatty Acid ◽  
Quorum Sensing ◽  
Mode Of Action ◽  
Fatty Acid Biosynthesis ◽  
Vibrio Harveyi ◽  
Acid Biosynthesis ◽  
Mechanistic Analysis ◽  
Independent Mechanism ◽  
Independent Mode

β-Lactone analogs of autoinducers potently inhibitVibrio harveyibioluminescence using a quorum sensing independent mechanism interfering with fatty acid biosynthesis.

Mode of Action of Herbicides Affecting Acetyl-CoA Carboxylase and Fatty Acid Biosynthesis

1990 ◽  
Vol 45 (5) ◽  
pp. 521-528 ◽  
Author(s):  
Hartmut K. Lichtenthaler
Keyword(s):  
Fatty Acid ◽  
Mode Of Action ◽  
Fatty Acid Biosynthesis ◽  
De Novo ◽  
Acetyl Coa Carboxylase ◽  
Acid Biosynthesis ◽  
Acetyl Coa ◽  
Enzyme Preparations ◽  
Acid Herbicides ◽  
Target Enzyme

The mode of action of cyclohexane-l,3-dione-type (cycloxydim, clethodim, sethoxydim, tralkoxydim) and aryloxyphenoxypropanoate-type herbicides (diclofop, fenoxaprop, haloxyfop, fluazifop) is summarized in this review. Both herbicide classes, though structurally completely different, specifically block the same target enzyme i.e. the plastid acetyl-CoA carboxylase (ACC) (EC 6.4.1.2). Most members of the Poaceae are sensitive towards both herbicide groups, whereas other monocotyledonous plants as well as the dicotyledonous plants appear to be resistant. This resistance, which can be found on the level of whole plants, in isolated chloroplasts and also on the level of ACC-enzyme preparations, is apparently due to a modification of the target enzyme ACC. Within the sensitive grass family some members (Festuca and Poa species) are partially tolerant against both graminicide groups. In the case of cyclohexanedione herbicides the tolerance seems to be due to a reduced sensitivity of the target enzyme. In the case of aryloxyphenoxypropionic acid herbicides the tolerance is apparently based on a combined action of cytoplasmic factors (metabolization?) and a slightly reduced sensitivity of the target enzyme. From differences in the sensitivity of certain grasses against the two herbicide classes it is concluded that both graminicide groups bind to the same binding domaine of the ACC enzyme but possess different subsites. The consequences of the block of de novo fatty acid biosynthesis in the plastids of sensitive plants is the lack of glycerolipid and biomembrane formation which finally causes cell death in the meristematic tissues.

Inhibition of early steps of de novo fatty-acid biosynthesis by different xenobiotica

1991 ◽  
Vol 81 (2) ◽  
pp. 251-255
Author(s):  
Manfred Focke ◽  
Andrea Feld ◽  
Hartmut K. Lichtenthaler
Keyword(s):  
Fatty Acid ◽  
Fatty Acid Biosynthesis ◽  
De Novo ◽  
Acid Biosynthesis

Development of 'S', 'N’ Heterocycles as Antimycobacterials Targeting Fatty Acid Biosynthesis

2019 ◽  
Vol 15 ◽  
Author(s):  
L. K. Dahiwade ◽  
S. R. Rochlani ◽  
P. B. Choudhari ◽  
R. P. Dhavale ◽  
H. N. Moreira
Keyword(s):  
Fatty Acid ◽  
Fatty Acid Biosynthesis ◽  
Antimycobacterial Activity ◽  
Drug Candidate ◽  
Causative Organism ◽  
Present Communication ◽  
Acid Biosynthesis ◽  
Rational Development ◽  
After Cancer ◽  
Drug Resistant Strains

Background: Mycobacterium tuberculosis is a causative organism of tuberculosis, which is most deadly disease after cancer in a current decade. The development of multidrug and broadly drug- resistant strains making the tuberculosis problem more and more critical. In last 40 years, only one molecule is added to the treatment regimen. Generally, drug design and development programs are targeted proteins whose function is known to be essential to the bacterial cell. Objectives: Reported here are the development of 'S', 'N’ heterocycles as antimycobacterials targeting fatty acid biosynthesis. Material and Methods: In the present communication, rational development of anti-mycobacterial agent's targeting fatty acid biosynthesis has been done by integrating the pocket modelling and virtual analysis. Results: The identified potential 33 lead compounds were synthesized, characterized by physicochemical and spectroscopic methods like IR, NMR spectroscopy and further screened for antimycobacterial activity using isoniazid as standard. All the designed compounds have shown profound antimycobacterial activity. Conclusion: In this present communication, we found that 3c, 3f, 3l and 4k molecules had expressive desirable biological activity and specific interactions with fatty acids. Further optimization of these leads is necessary for the development of potential antimycobacterial drug candidate having less side effects.

scholarly journals Genome-Wide Mapping of Histone H3 Lysine 4 Trimethylation (H3K4me3) and Its Involvement in Fatty Acid Biosynthesis in Sunflower Developing Seeds

Plants ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 706
Author(s):  
Antonio J. Moreno-Pérez ◽  
Raquel Martins-Noguerol ◽  
Cristina DeAndrés-Gil ◽  
Mónica Venegas-Calerón ◽  
Rosario Sánchez ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Chromatin Remodeling ◽  
Molecular Mechanisms ◽  
Acid Metabolism ◽  
Fatty Acid Biosynthesis ◽  
Acid Synthesis ◽  
Sunflower Seeds ◽  
Acid Biosynthesis ◽  
Functional Regions ◽  
Genome Wide

Histone modifications are of paramount importance during plant development. Investigating chromatin remodeling in developing oilseeds sheds light on the molecular mechanisms controlling fatty acid metabolism and facilitates the identification of new functional regions in oil crop genomes. The present study characterizes the epigenetic modifications H3K4me3 in relationship with the expression of fatty acid-related genes and transcription factors in developing sunflower seeds. Two master transcriptional regulators identified in this analysis, VIV1 (homologous to Arabidopsis ABI3) and FUS3, cooperate in the regulation of WRINKLED 1, a transcriptional factor regulating glycolysis, and fatty acid synthesis in developing oilseeds.

scholarly journals Serratia symbiotica Enhances Fatty Acid Metabolism of Pea Aphid to Promote Host Development

2021 ◽  
Vol 22 (11) ◽  
pp. 5951
Author(s):  
Xiaofei Zhou ◽  
Xiaoyu Ling ◽  
Huijuan Guo ◽  
Keyan Zhu-Salzman ◽  
Feng Ge ◽  
...  
Keyword(s):  
Body Weight ◽  
Fatty Acid ◽  
Myristic Acid ◽  
Fatty Acid Synthase ◽  
Fatty Acid Biosynthesis ◽  
Acid Biosynthesis ◽  
Pea Aphids ◽  
Serratia Symbiotica ◽  
Aphid Host ◽  
Host Development

Bacterial symbionts associated with insects are often involved in host development and ecological adaptation. Serratia symbiotica, a common facultative endosymbiont harbored in pea aphids, improves host fitness and heat tolerance, but studies concerning the nutritional metabolism and impact on the aphid host associated with carrying Serratia are limited. In the current study, we showed that Serratia-infected aphids had a shorter nymphal developmental time and higher body weight than Serratia-free aphids when fed on detached leaves. Genes connecting to fatty acid biosynthesis and elongation were up-regulated in Serratia-infected aphids. Specifically, elevated expression of fatty acid synthase 1 (FASN1) and diacylglycerol-o-acyltransferase 2 (DGAT2) could result in accumulation of myristic acid, palmitic acid, linoleic acid, and arachidic acid in fat bodies. Impairing fatty acid synthesis in Serratia-infected pea aphids either by a pharmacological inhibitor or through silencing FASN1 and DGAT2 expression prolonged the nymphal growth period and decreased the aphid body weight. Conversely, supplementation of myristic acid (C14:0) to these aphids restored their normal development and weight gain. Our results indicated that Serratia promoted development and growth of its aphid host through enhancing fatty acid biosynthesis. Our discovery has shed more light on nutritional effects underlying the symbiosis between aphids and facultative endosymbionts.

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