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Antibiotic resistance is a major problem and a major global health concern. In total, there are 16 million deaths yearly from infectious diseases, and at least 65% of infectious diseases are caused by microbial communities that proliferate through the formation of biofilms. Antibiotic overuse has resulted in the evolution of multidrug-resistant (MDR) microbial strains. As a result, there is now much more interest in non-antibiotic therapies for bacterial infections. Among these revolutionary, non-traditional medications is quorum sensing inhibitors (QSIs). Bacterial cell-to-cell communication is known as quorum sensing (QS), and it is mediated by tiny diffusible signaling molecules known as autoinducers (AIs). QS is dependent on the density of the bacterial population. QS is used by Gram-negative and Gram-positive bacteria to control a wide range of processes; in both scenarios, QS entails the synthesis, identification, and reaction to signaling chemicals, also known as auto-inducers. Since the usual processes regulated by QS are the expression of virulence factors and the creation of biofilms, QS is being investigated as an alternative solution to antibiotic resistance. Consequently, the use of QS-inhibiting agents, such as QSIs and quorum quenching (QQ) enzymes, to interfere with QS seems like a good strategy to prevent bacterial infections. This review sheds light on QS inhibition strategy and mechanisms and discusses how using this approach can aid in winning the battle against resistant bacteria.

The rapid progress of antibiotic resistance among bacteria has prompted serious medical concerns regarding how to manage multidrug-resistant (MDR) bacterial infections. One emerging strategy to combat antibiotic resistance is the use of antimicrobial peptides (AMPs), which are amino acid chains that act as broad-spectrum antimicrobial molecules and are essential parts of the innate immune system in mammals, fungi, and plants. AMPs have unique antibacterial mechanisms that offer benefits over conventional antibiotics in combating drug-resistant bacterial infections. Currently, scientists have conducted multiple studies on AMPs for combating drug-resistant bacterial infections and found that AMPs are a promising alternative to conventional antibiotics. On the other hand, bacteria can develop several tactics to resist and bypass the effect of AMPs. Therefore, it is like a battle between the bacterial community and the AMPs, but who will win? This review provides thorough insights into the development of antibiotic resistance as well as detailed information about AMPs in terms of their history and classification. Furthermore, it addresses the unique antibacterial mechanisms of action of AMPs, how bacteria resist these mechanisms, and how to ensure AMPs win this battle. Finally, it provides updated information about FDA-approved AMPs and those that were still in clinical trials. This review provides vital information for researchers for the development and therapeutic application of novel AMPs for drug-resistant bacterial infections.

Inflammatory bowel disease (IBD) is a chronic complicated inflammatory gut pathological disorder and is categorized into ulcerative colitis (UC) and Crohn’s disease (CD). Although the cause of IBD is unclear, dysbiosis of the gut microbiota is thought to be a key factor in the disease’s progression. The gut microbiome serves as a metabolic organ and promotes wellness by carrying out several biological activities. Any modification in the makeup of the gut microbiome leads to several pathological conditions, including IBD. In this review, we emphasize the key metabolic processes that control host–microbiome interaction and its impact on host health. We also discuss the association between microbiome dysbiosis (bacteriome, virome, and mycobiome) and the progression of IBD. Finally, we will highlight microbiome-based therapy as a novel and promising strategy to treat and manage IBD.

Background and Aim: Monkeypox (Mpox) is a viral disease mainly found in central and western Africa, with symptoms similar to variola virus (smallpox) but distinguished by the early lymph node swelling specific to Mpox. This review summarizes the neuropsychiatric manifestations of Mpox infection and vaccination, along with management approaches. Method: We searched different databases such as PubMed, Scopus, WoS, and Google Scholar about the neuropsychiatric manifestations of Mpox disease and the associated strategies of management. Results and conclusions: Mpox can cause a wide range of neurological symptoms. These range from mild symptoms like headaches, muscle aches, fatigue, and pain to severe symptoms, including seizures, blindness, photophobia, delirium, coma, encephalitis, and transverse myelitis. It is essential to distinguish Mpox from smallpox and other orthopox viruses. Psychiatric issues, such as stigma, disfigurement, isolation, and physical pain, are common in Mpox patients. To address these, healthcare providers should provide accurate information, counseling, and virtual support. Neurological side effects were associated with the previous smallpox vaccine, which offered cross-protection against Mpox. This vaccine has since been replaced by JYNNEOS, which does not pose any neurological risks. Mpox-related neurological symptoms are generally managed with supportive care, including NSAIDs, antibiotics, antiepileptics, and sedatives for seizures. Antivirals like acyclovir are also used. Severe cases may require hospitalization or intubation. So, we recommend early diagnosis, isolation, and prompt treatment, as Mpox spreading to the central nervous system can lead to serious and potentially fatal complications.