Discovery of Novel Caeridins from the Skin Secretion of the Australian White’s Tree Frog, Litoria caerulea by Lei Li, Qing Wu, Xi Wang, Huimin Lu, Xinping Xi, Mei Zhou, Chris J. Watson, Tianbao Chen, Lei Wang

“…Moreover, Caeridin-a1 was shown to potently inhibit the growth of the planktonic Gram-positive bacteria Staphylococcus aureus (S. aureus), methicillin-resistant S. aureus (MRSA), and Enterococcus faecalis (E. faecalis), the Gram-negative bacterium, Escherichia coli (E. coli), and the yeast, Candida albicans (C. albicans). …”
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Recognition of Staphylococcus aureus by the pattern recognition molecules langerin, mannan-binding lectin, and surfactant protein D: the influence of capsular polysaccharides and w... by Kirstine Mejlstrup Hymøller, Kirstine Mejlstrup Hymøller, Stig Hill Christiansen, Stig Hill Christiansen, Anders Grønnegaard Schlosser, Uffe B. Skov Sørensen, Jean C. Lee, Steffen Thiel, Steffen Thiel

“…We have investigated their interaction with the Gram-positive opportunistic pathogen Staphylococcus aureus, a bacterium whose cell wall contains two key glycopolymers: capsular polysaccharide (CP) and wall teichoic acid (WTA). …”
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Silver nanoparticles on UiO-66 (Zr) metal-organic frameworks for water disinfection application by Hui Chen, Chen Qiu, Yiran Jiang, Xinyu Liao, Dan Wu, Mofei Shen, Tian Ding

“…Ag@UiO-66 exhibited strong antibacterial activity against both Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus, with minimum inhibitory concentrations (MIC) of 64 and 128 μg/mL, respectively. …”
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Exploration of Secondary Metabolites in <i>Platostoma menthoides</i> (L.) Using Ethyl Acetate Extract and Its Antibacterial, Antioxidant, and Larvicidal Activities by Pavithra Senthilkumar, Subbu Thavamurugan, Aravinth Annamalai, Prabhu Kolandhasamy, Vasanthy Muthunarayanan, Nandhini Selvaraj, Lakshmiprabha Azhagiyamanavalan, Ramachandran Vinayagam

“…The extract also showed higher antibacterial effects against gram-negative bacteria when compared to gram-positive bacteria. All these findings suggest that <i>P. menthoides</i> is a rich source of phytoconstituents with various medicinal applications and can be used as an antioxidant, antibacterial, and mosquito-larvicidal agent.…”
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LEGO-Lipophosphonoxin membrane activity is enhanced by presence of phosphatidylethanolamine but hindered by outer membrane by Hana Brzobohatá, Milica Dugić, Viktor Mojr, Nitjawan Sahatsapan, Ivana Kóšiová, Tomáš Křížek, Tereza Dolejšová, Petra Lišková, Lukasz Cwiklik, Dominik Rejman, Radovan Fišer, Gabriela Mikušová

“…LEGO-1–4 permeabilized cytoplasmic membrane of Staphylococcus aureus, Bacillus subtilis, Pseudomonas aeruginosa, and Escherichia coli, LEGO-1 with the longest linker module being the most effective. Gram-positive bacteria were more sensitive to LEGO-LPPO action compared to Gram-negatives, which was manifested as a delayed membrane permeabilization, higher minimal inhibitory concentration and lower amount of LEGO-LPPO bound to the cells. …”
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HSBM-Produced Zinc Oxide Nanoparticles: Physical Properties and Evaluation of Their Antimicrobial Activity against Human Pathogens by Imen Massoudi, Ridha Hamdi, Ibtisam Ababutain, Ethar Alhussain, Aya Kharma

“…Accordingly, S. aureus was the most susceptible Gram-positive bacteria, with inhibition zone size gradually increasing from 11.8 ± 0.3 mm to 13.5 ± 0.5 mm with decreasing nanoparticle size from 767 to 148 nm, while S. aureus ATCC 25923 was resistant to both milled and unmilled samples. …”
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Determination of In Vitro Antimicrobial Activity of Five Sri Lankan Medicinal Plants against Selected Human Pathogenic Bacteria by Manikkuwadura Hasara Nethmini De Zoysa, Hasanga Rathnayake, Ruwani Punyakanthi Hewawasam, Weerasinghe Mudiyanselage Dilip Gaya Bandara Wijayaratne

“…Plant extracts were screened against four clinically important Gram-positive and Gram-negative bacterial strains, Staphylococcus aureus (ATCC 25923), Escherichia coli (ATCC 25922), Pseudomonas aeruginosa (ATCC 27853), and Klebsiella pneumoniae (ATCC 700603). …”
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Engineering a promiscuous prenyltransferase for selective biosynthesis of an undescribed bioactive cannabinoid analog by Qin Yan, Yue-Gui Chen, Xiao-Wen Yang, An Wang, Xiao-Ping He, Xue Tang, Hong Hu, Kai Guo, Zong-Hua Xiao, Yan Liu, Sheng-Hong Li

“…Compound 4 demonstrates the highest anti-neuroinflammatory and antibacterial activities, with IC50 values of 3.06 µM for TNF-α and 4.31 µM for IL-6, alongside EC50 values ranging from 0.87 to 3.16 µM against three Gram-positive bacteria. An efficient construct is established by incorporating an additional copy of AscC, resulting in a yield of 14.85 ± 0.91 mg/L of compound 4. …”
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Biological Activities and Nutraceutical Potentials of Water Extracts from Different Parts of Cynomorium Coccineum L. (Maltese Mushroom) by Zucca Paolo, Argiolas Antonio, Nieddu Mariella, Pintus Manuela, Rosa Antonella, Sanna Fabrizio, Steri Daniela, Rescigno Antonio

“…The results of electron transfer and hydrogen transfer assays showed that the antioxidant activity was mainly due to anthocyanins in the external layer, whereas the external layer and peeled plant extracts both inhibited the microbial growth of several Gram-positive strains. In contrast, the whole plant extract had the highest anti-tyrosinase activity and exhibited pro-erectile activity when administered subcutaneously. …”
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Treatment Options for Nosocomial Ventriculitis/Meningitis: A Case Report and Review of the Literature by Marios Karvouniaris, Zoi Aidoni, Eleni Gkeka, Stella Niki Primikyri, Konstantinos Pagioulas, Elena Argiriadou

“…The cerebrospinal fluid isolates associated with the infection can be Gram-positive or -negative, while the <i>Enterococcus</i> spp. is rarely identified. …”
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The Antibacterial Effect In Vitro of Honey Derived from Various Danish Flora by Reem Dina Matzen, Julie Zinck Leth-Espensen, Therese Jansson, Dennis Sandris Nielsen, Marianne N. Lund, Steen Matzen

“…We tested the effect on three gram-positive bacteria (two strains of Staphylococcus aureus and one strain of Staphylococcus epidermidis) and two gram-negative bacteria (Pseudomonas aeruginosa and Escherichia coli). …”
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Lactoferrin: a secret weapon in the war against pathogenic bacteria by Lucero Ruiz-Mazón, Gerardo Ramírez-Rico, Mireya de la Garza

“…Lf limits the growth of microorganisms through the sequestration of iron but can also interact directly with some components of the outer membrane of Gram-negative bacteria or bind to teichoic acids in Gram-positive bacteria, destabilizing the membrane and resulting in lysis. …”
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Epidemiology of ophthalmia neonatorum: a systematic review and meta-analysis by Randy Asiamah, Gideon Owusu, Pious Tawiah Amoako, Richmond Amponsah, Emmanuel Adator, Samuel Kyei

“…Staphylococcus spp. (gram-positive) and Serratia marcescens (gram-negative) were the most frequently isolated bacteria associated with the incidence of ON. …”
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Antibacterial and antibiofilm activity of peptide PvGBP2 against pathogenic bacteria that contaminate Auricularia auricular culture bags by Shen Yang, Zijin Yuan, Jude Juventus Aweya, Shanggui Deng, Wuyin Weng, Yueling Zhang, Guangming Liu

“…In this study, 5 species of bacteria, mainly gram-positive bacteria including three species of Bacillus spp., Arthrobacter arilaitensis and Staphylococcus warneri, were isolated and identified from bacteria-contaminated A. auricular culture bags. …”
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Manufactured Yttrium Barium Copper Nano Oxide for Medicinal Applications by Rania Daha, Manel Bouloudenine, Katia Djenadi, Tarek Tahraoui, Stefano Bellucci, Abdelaziz Rabehi

“…Comprehensive characterization of the synthesized nanoparticles encompassed techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and thermogravimetric (TG) analysis. Remarkably, the Gram-positive strains, including Staphylococcus epidermidis and Methicillin-resistant Staphylococcus aureus (MRSA), exhibited pronounced susceptibility to the YBCO NPs, while Gram-negative strains displayed minimal response. …”
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Greenness assessment approach for spectrofluorimetric detection of daptomycin using metal oxide nanosensors synthesized via Commiphora myrrha extract in the presence of organizing... by Maha F. El-Tohamy, Amal M. Al-Mohaimeed, Haitham AlRabiah, Gamal A.E. Mostafa

“…Daptomycin (DPT) is a lipopeptide antibiotic used primarily to treat severe infections caused by Gram-positive bacteria. A spectrofluorimetric detection of DPT using metal oxide nanosensors synthesized via Commiphora myrrha extract in the presence of an organizing solution is presented in this study. …”
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Determination of total phenolic and flavonoid contents, antioxidant and antibacterial potential of the bark extracts of Syzygium guineense (Wild.) DC. by Engeda Dessalegn, Mengisteab Mathewos, Hiwot Gebremeskel, Nigatu Tuasha

“…The extracts have shown antibacterial activities against both Gram-positive (S. aureus) and Gram-negative bacterial species. …”
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Synthesis of thiophene and N-substituted thieno[3,2-d] pyrimidine derivatives as potent antitumor and antibacterial agents by Hafez Hend N., Alsalamah Sulaiman A., El-Gazzar Abdel-Rhman B. A.

“…Compounds 4b and 6b, both containing benzenesulfonamide linked to N-, 10 bearing imidazole moiety, and 15 and 19b,c with a thiophene-2-carboxylic acid chain, exhibited high activity against Gram-positive and Gram-negative bacteria.…”
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Improved Antibacterial Activity of Water-Soluble Nanoformulated Kaempferol and Combretastatin Polyphenolic Compounds by Y. Santhosh Kumar, Langeswaran Kulanthaivel, G. S. Hikku, R. Saravanan, Thangavelu Lakshmi, C. Kirubhanand, Murugesan Karthikeyan, P. Vijayalakshmi, Gowtham Kumar Subbaraj

“…The antibacterial activity was assessed by measuring the optical density at 600 nm using UV-vis spectrophotometer and displayed significant activity against gram-positive Staphylococcus aureus strain. The mechanisms behind the antibacterial activity of NF-k and NF-c were discussed in detail. …”
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Development of a Highly Biocompatible Antituberculosis Nanodelivery Formulation Based on Para-Aminosalicylic Acid—Zinc Layered Hydroxide Nanocomposites by Bullo Saifullah, Palanisamy Arulselvan, Mohamed Ezzat El Zowalaty, Sharida Fakurazi, Thomas J. Webster, Benjamin Geilich, Mohd Zobir Hussein

“…The newly developed formulation was also found active against Gram-positive bacteria, Gram-negative bacteria, and Candida albicans. …”
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