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Artykuły w czasopismach na temat „Bacteria”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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Laura, Abisaí Pazos-Rojas, Rodríguez-Andrade Osvaldo, Catalina Muñoz-Arenas Ligia, et al. "Desiccation-Tolerant Rhizobacteria Maintain their Plant Growth- Promoting Capability after Experiencing Extreme Water Stress." SciFed Journal of Applied Microbiology 1, no. 1 (2018): 1–13. https://doi.org/10.5281/zenodo.5068936.

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Abstract Bacteria from rhizosphere have the potential to promote the growth of plants, and could be used as inoculants to increase the crop profitability. However, under drought stress conditions, the number of bacteria associated to seeds could decrease below the minimal number of bacteria required to obtain a positive plant response. At the present work, the capability of 28 rhizospheric bacterial strains to tolerate 18 days of air desiccation stress (at 30oC and 50% of relative humidity) was evaluated. Results showed different levels of bacterial tolerance and five categories were proposed

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Zhivich, Alexander. "Fighting bacterial resistance: approaches, challenges, and opportunities in the search for new antibiotics. Part 1. Antibiotics used in clinical practice: mechanisms of action and the development of bacterial resistance." Microbiology Independent Research Journal 4, no. 1 (2017): 31–51. https://doi.org/10.18527/2500-2236-2017-4-1-31-51.

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   Hundreds of thousands of people are dying every year in the world from infections caused by drug resistant bacteria. Antibiotic resistance is a rapidly increasing problem mostly as a result of the worldwide overuse and misuse of antibiotics for conditions that do not require them. The rapid spread of antibiotic resistance in bacteria makes it necessary to intensify the development of new antibiotics and new methods to combat drug resistant bacteria. The goal of this publication is to review the approaches to finding new antibiotics that are active against drug resistant bacteria.

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Ali, Zainab Haider, Wurood Hamzah Muttaleb, and Lubna Abdulazeem. "Anti-Bacterial Action of Silver Nanoparticles Against MDR Bacteria Isolated from Hospital." International Journal of Medical Science and Dental Health 10, no. 10 (2024): 93–99. http://dx.doi.org/10.55640/ijmsdh-10-10-11.

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Hospital-associated infections (HAIs) are considered to be a major source of infections in patients, especially in patients with permanently impaired immunity. There is alarming increase of multi drug resistant (MDR) bacteria and Antibacterial medication resistance has been deemed a serious hazard to public health by the World Health Organisation (WHO). The study aimed to isolate and identify main bacteria caused nosocomial infection, and trying to treatments by using nanoparticles. By measuring the antibacterial activity of the synthesised AgNPs using the agar disc diffusion technique, AgNPs

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Yaghoubi, Atieh, Majid Khazaei, Seyed Mahdi Hasanian, Amir Avan, William C. Cho, and Saman Soleimanpour. "Bacteriotherapy in Breast Cancer." International Journal of Molecular Sciences 20, no. 23 (2019): 5880. http://dx.doi.org/10.3390/ijms20235880.

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Breast cancer is the second most common cause of cancer-related mortality among women around the world. Conventional treatments in the fight against breast cancer, such as chemotherapy, are being challenged regarding their effectiveness. Thus, strategies for the treatment of breast cancer need to be continuously refined to achieve a better patient outcome. We know that a number of bacteria are pathogenic and some are even associated with tumor development, however, recent studies have demonstrated interesting results suggesting some bacteria may have potential for cancer therapy. Therefore, th

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Susanti, S., B. E. Setiani, H. Rizqiati, D. R. Febriandi, V. P. Bintoro, and B. E. Setiani. "Inhibitory Activity of Cashew Apple (Anacardium Occidentale) Extract Marinade on The Meat Total Bacteria." Current Research in Nutrition and Food Science Journal 6, no. 1 (2018): 106–12. http://dx.doi.org/10.12944/crnfsj.6.1.11.

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Microbial activities cause physical and functional alteration, which can decrease the quality and shelf life of meat. Inhibiting the bacterial growth becomes a crucial effort to prevent spoilage of meat. Previous studies reported that human pathogen bacterias could be inhibited by using cashew apple juice. It was interested to explore the utilization of cashew apple as marinade solution to suppress the meat bacteria. Current study was aimed to get more insight the effectiveness of cashew apple extract marinade (CAM) as growth inhibitor for spoilage bacteria on beefs and chickens. Results indic

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Gan, Yingying, Chengnan Li, Xinran Peng, et al. "Fight bacteria with bacteria: Bacterial membrane vesicles as vaccines and delivery nanocarriers against bacterial infections." Nanomedicine: Nanotechnology, Biology and Medicine 35 (July 2021): 102398. http://dx.doi.org/10.1016/j.nano.2021.102398.

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Gasol, Josep M., Ulla Li Zweifel, Francesc Peters, Jed A. Fuhrman, and Åke Hagström. "Significance of Size and Nucleic Acid Content Heterogeneity as Measured by Flow Cytometry in Natural Planktonic Bacteria." Applied and Environmental Microbiology 65, no. 10 (1999): 4475–83. http://dx.doi.org/10.1128/aem.65.10.4475-4483.1999.

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ABSTRACT Total bacterial abundances estimated with different epifluorescence microscopy methods (4′,6-diamidino-2-phenylindole [DAPI], SYBR Green, and Live/Dead) and with flow cytometry (Syto13) showed good correspondence throughout two microcosm experiments with coastal Mediterranean water. In the Syto13-stained samples we could differentiate bacteria with apparent high DNA (HDNA) content and bacteria with apparent low DNA (LDNA) content. HDNA bacteria, “live” bacteria (determined as such with the Molecular Probes Live/Dead BacLight bacterial viability kit), and nucleoid-containing bacteria (

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Tovkach, F. I., and G. I. Zhuminska. "Destabilization of the Phage-Bacteria System during Bacterial Infections of Tree Plants." Mikrobiolohichnyi Zhurnal 81, no. 4 (2019): 118–30. http://dx.doi.org/10.15407/microbiolj81.04.118.

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Juárez-González, Victor Rivelino, Victor Hugo Guadarrama-Pérez, David Vasco-Julio, Elian Yuritzi Alegría-Herrera, and Jesús Hernández-Romano. "Las endolisinas de fagos como una fuente alternativa para la eliminación de bacterias multirresistentes." Alianzas y Tendencias BUAP 9, no. 34 (2024): 40–64. https://doi.org/10.5281/zenodo.12502858.

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RESUMEN En los últimos 20 años, el uso indiscriminado de antibióticos en humanos para el tratamiento de enfermedades bacterianas, ha promovido el rápido desarrollo de microorganismos multidrogorresistentes (MDR). La Organización Mundial de la Salud (OMS) liberó en 2017 una lista de bacterias para las que se requieren urgentemente nuevos antibióticos, clasificándolas en tres categorías: 1) crítica, 2) de alta prioridad o 3) media prioridad. Dichas cepas, si no son atendidas en el corto plazo, probablemente provoquen una nueva

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Zhivich, Alexander. "Interference plasmids and their use in combating bacterial resistance." Microbiology Independent Research Journal 6, no. 1 (2019): 37–42. https://doi.org/10.18527/2500-2236-2019-6-1-37-42.

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Fighting against pathogenic bacteria that are resistant to antibiotics has become critical for health care worldwide. More than half a million people die every year from infections caused by drug resistant bacteria. Since bacteria acquire resistance to antibiotics very quickly and the development of new antibiotics is a lengthy process, the search for new approaches to stop the spread of bacterial resistance is extremely important. The spread of antibiotic resistance is accomplished mainly by horizontal gene transfer. Scientists are concentrating their efforts on studying the mechanism of this

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Mert, Duygu, Sabahat Ceken, Gulsen Iskender, et al. "Epidemiology and mortality in bacterial bloodstream infections in patients with hematologic malignancies." Journal of Infection in Developing Countries 13, no. 08 (2019): 727–35. http://dx.doi.org/10.3855/jidc.11457.

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Introduction: Patients with hematological malignancies, who are in the high risk group for infectious complications and bacterial bloodstream infections. The aim of the study evaluated epidemiology and mortality in bacterial bloodstream infections in patients with hematologic malignancies. In addition to determine the risk factors, changes in the distribution and frequency of isolated bacterias. Methodology: In this retrospective study. There were investigated data from 266 patients with hematological malignancies and bacterial bloodstream infections who were hospitalized between the dat

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Satheesh, Sathianeson, Idris Abdulrahman, Mohsen El-Sherbiny, and Sathianeson Satheesh. "Activity of cell-free supernatant from Sponge associated bacteria against the growth and bacterial adhesion of microfouling Bacteria." Journal of King Abdulaziz University: Marine Sciences 33, no. 2 (2023): 15–25. https://doi.org/10.4197/mar.33-2.2.

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This study was carried out to evaluate the activity of cell free supernatant (CFS) from sponge associated bacteria against the growth and bacterial adhesion of biofilm bacteria. A sponge was collected from the Red Sea by Scuba diving and identified as Hyrtios erectus. After washing and cleaning to remove loosely attached bacteria, endophytic bacteria were isolated from the sponge by serial dilution method using Zobell Marine Agar (ZMA) as growth medium. Pure culture of the bacteria obtained were then identified by 16s rRNA gene sequencing method. The cell free supernatant (CFS) from two strain

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Martínez-García, Nicolás, and Alex Abib Troya-Toloza. "Caracterización de bacterias rizosféricas secretoras de auxinas y su impacto en Panicum Maximum cv. Tanzania." Revista Politécnica 21, no. 41 (2025): 24–46. https://doi.org/10.33571/rpolitec.v21n41a2.

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Las bacterias productoras de auxinas participan en el crecimiento de las plantas en el suelo, ante ello, se determinó el potencial del crecimiento del pasto Panicum maximun-cv.-Tanzania a partir del uso de biofertilizante provenientes de las bacterias diazótrofas y productora de auxina Azospirrillum.-sp y Azotobacter-sp. Se aislaron las bacterias de la rizosfera de cultivos ubicados en el municipio de La Paz, Cesar que fueron sometidas a pruebas bioquímicas, observaciones macroscópica y microscópica. Posteriormente se evaluó la capacidad fijadora de nitrógeno y productora de auxina, evidencián

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Souza, V., and L. E. Eguiarte. "Bacteria gone native vs. bacteria gone awry?: Plasmidic transfer and bacterial evolution." Proceedings of the National Academy of Sciences 94, no. 11 (1997): 5501–3. http://dx.doi.org/10.1073/pnas.94.11.5501.

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Venkatesan, Nandakumar, Govindaraj Perumal, and Mukesh Doble. "Bacterial resistance in biofilm-associated bacteria." Future Microbiology 10, no. 11 (2015): 1743–50. http://dx.doi.org/10.2217/fmb.15.69.

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Manhart, Lisa E., Christine M. Khosropour, Congzhu Liu, et al. "Bacterial Vaginosis–Associated Bacteria in Men." Sexually Transmitted Diseases 40, no. 12 (2013): 944–49. http://dx.doi.org/10.1097/olq.0000000000000054.

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Sabra, Sherifa. "Elimination Virulent-pathogenic-biofilm Bacteria Using Highland-wild Salvia officinalis Preserve Bacterial-infection-control." Biotechnology and Bioprocessing 2, no. 2 (2021): 01–04. http://dx.doi.org/10.31579/2766-2314/021.

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This work for this title "Elimination Virulent-pathogenic-biofilm (VPB) Bacteria Using Highland-wild (HLW) Salvia officinalis (S. officinalis) Preserve Bacterial-infection-control (BIC)"; the aim was to prove the importance of HLW S. officinalis extracts have therapeutic herbal importance. Through its effected on the isolated VPB bacteria caused infection diseases that may preserve BIC for individuals, which proved the effectiveness of the HLW S. officinalis daily use or therapeutic use. S. officinalis specimens were collected during the flowering period from HLW, Taif, KSA. Essential oils (EO

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Ayal, Esther Lourence Brendha, Kasprijo Kasprijo, Ren Fitriadi, et al. "Screening of Amylolytic Bacteria from Mina Padi Aquaculture in Panembangan Village, Cilongok District, Banyumas, Central Java." Journal of Aquaculture and Fish Health 13, no. 1 (2024): 90–101. http://dx.doi.org/10.20473/jafh.v13i1.39210.

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Amylolytic bacteria play an important role in the ecosystem, especially as probiotic and bioremediation agents in cultivation, as examples can be found in Mina Padi culture. The purpose of this study was to determine the amylolytic bacteria in the waters of the Mina Padi pond. Bacterial isolation began with bacterial sampling, inoculation and isolation of bacteria, calculation of the total abundance of bacteria, observation of bacterial morphology and bacterial purification, and isolation of amylolytic bacteria. The results of the isolation of amylolytic bacteria obtained 3 bacterial isolates

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Istifadaha, Noor, Dewi Nurma Yanti Ningtyasb, Pujawati Suryatmana, and Betty Natalie Fitriatin. "The Abilities of Endophytic and Biofertilizing Bacteria and Their Combinations to Suppress Bacterial Wilt Disease (Ralstonia solanacearum) of Chili." KnE Life Sciences 2, no. 6 (2017): 296. http://dx.doi.org/10.18502/kls.v2i6.1052.

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Bacterial wilt disease (Ralstonia solanacearum) is one of the most important diseases in Solanaceae, including chili. Biological control is one of environmentally-friendly method for controlling plant diseases. Microbes that are potential as biological control agents include bacterial endophytes and bacteria that are usually used as biofertilizer. This paper discusses the result of the study that examined the abilities of endophytic and biofertilizing bacteria solely or in combination to suppress bacterial wilt disease (R. solanacearum). The endophytic bacteria isolates tested were Lysinibacil

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Noor, Aisyah Azman, Sijam Kamaruzaman, Mohd Hata Erneeza, Othman Radziah, and Md Saud Halimi. "Screening of Bacteria as Antagonist against Xanthomonas oryzae pv. oryzae, the Causal Agent of Bacterial Leaf Blight of Paddy and as Plant Growth Promoter." Journal of Experimental Agriculture International 16, no. 4 (2017): 1–15. https://doi.org/10.9734/JEAI/2017/33697.

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The aim of this study is to screen and characterize bacteria isolated from different sources that has potential as antagonistic bacteria against <em>Xanthomonas oryzae</em> pv. <em>oryzae</em> (<em>Xoo</em>), the causal agent of bacterial leaf blight of paddy and as a plant growth promoter. Ninety three bacteria were successfully isolated from different sources including compost, rhizosphere, water, roots and leaves from paddy field. By using chloroform vapours method, only 16 bacterial isolates showed positive antagonistic activity indicated by inhibition zone around bacterial colony against

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Danylenko, S. G., O. V. Naumenko, A. S. Onishchenko, S. M. Teterina, M. O. Khonkiv, and S. O. Skrotskyi. "Biotechnology of Newly Created Bacterial Composition for Siloing Based on Lactic Acid Bacteria." Mikrobiolohichnyi Zhurnal 83, no. 6 (2021): 20–31. http://dx.doi.org/10.15407/microbiolj83.06.020.

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Peculiarities of high-quality silage production are the use of biological products based on lactic acid bacteria. The composition of such starters varies greatly according to the use of bacterial cultures, so among the starters available on the market, the range of their effectiveness is also different. It is very common to use a one-sided approach to the choice of bacterial components, which in combination with imperfect production technology have low preservative activity. The study of combined preparations, which combine homo- and heterofermentative types of lactic acid fermentation, allows

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Putri, Rizka Dwi Widya, and Nuniek Herdyastuti. "POTENSI SENYAWA ANTIOKSIDAN YANG DIHASILKAN BAKTERI ENDOFIT PADA DAUN JAMBU BIJI (Psidium guajava L.)." Unesa Journal of Chemistry 10, no. 1 (2021): 55–63. http://dx.doi.org/10.26740/ujc.v10n1.p55-63.

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Abstrak. Bakteri endofit memiliki kemampuan untuk memproduksi senyawa metabolit sekunder yang diduga sebagai akibat transfer genetik dari tanaman inangnya ke dalam bakteri endofit. Beberapa senyawa metabolit yang dihasilkan bakteri endofit berfungsi sebagai agen biokontrol tanaman, antibakteri, antijamur, antidiabetes, antiinflamasi, dan antioksidan. Telah dilakukan isolasi bakteri endofit dari daun jambu biji (Psidium guajava L.) yang diduga dapat menghasilkan antioksidan. Isolasi bakteri menggunakan metode sterilisasi permukaan (surface sterilization) dengan perendaman menggunakan NaOCl dan

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Lin, Qingjie, Shiying Lin, Zitao Fan, Jing Liu, Dingcheng Ye, and Pingting Guo. "A Review of the Mechanisms of Bacterial Colonization of the Mammal Gut." Microorganisms 12, no. 5 (2024): 1026. http://dx.doi.org/10.3390/microorganisms12051026.

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A healthy animal intestine hosts a diverse population of bacteria in a symbiotic relationship. These bacteria utilize nutrients in the host’s intestinal environment for growth and reproduction. In return, they assist the host in digesting and metabolizing nutrients, fortifying the intestinal barrier, defending against potential pathogens, and maintaining gut health. Bacterial colonization is a crucial aspect of this interaction between bacteria and the intestine and involves the attachment of bacteria to intestinal mucus or epithelial cells through nonspecific or specific interactions. This pr

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Rosana, Yeva, Lina Herliyana, Grady Krisandi, and Erike Anggraini Suwarsono. "Profile of multidrug-resistant bacteria causing urinary tract infections in inpatients and outpatients in Jakarta and Tangerang." Universa Medicina 42, no. 3 (2023): 303–13. http://dx.doi.org/10.18051/univmed.2023.v42.303-313.

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Background Urinary tract infections (UTIs) caused by bacteria occupy the second highest rank of common infectious diseases in the world. Empirical use of antibiotics may give rise to multidrug-resistant (MDR) bacteria because of irrational prescription. Choice of antibiotics to treat UTIs is limited because of MDR bacteria. Thus, this study was conducted to investigate the bacterial antibiotic susceptibility patterns in inpatients and outpatients in Jakarta and Tangerang. Methods Bacterial isolates were obtained from midstream urine specimens from 43 inpatients and 43 outpatients with UTIs in

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Silva, José Reinaldo Oliveira, Anne Caroline Santos Ramos, Zenon Machado Lima, et al. "Spondias tuberosa Extract for Silver Nanoparticles Assisted Synthesis Against Multiresistant Bacteria." Advanced Science, Engineering and Medicine 11, no. 11 (2019): 1041–48. http://dx.doi.org/10.1166/asem.2019.2447.

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Multiresistant bacteria represent a global health problem, encouraging the development of effective antimicrobial treatments. In this context, metallic nanoparticles like silver nanoparticles (AgNPs) can serve as an alternative to the pathogenic bacterial growth control since AgNPs have minimal risk of promoting bacterial resistance. The chemical methods to synthesize AgNPs involves toxic agents however, an alternative way to obtain them would be employing plant extract due to its redox ability. In the current study, Spondias tuberosa hydroethanolic leaf extract (StHE) was used to assist silve

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Intriago Angulo, Jefferson Javier, Juan Gerardo Quimi Mujica, Jordana Jineyka López Parra, et al. "Inhibición del quórum sensing mediante el quórum quenching en postlarvas de Litopenaeus vannamei." La Técnica: Revista de las Agrociencias. ISSN 2477-8982, no. 23 (July 27, 2020): 01. http://dx.doi.org/10.33936/la_tecnica.v0i23.1538.

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Inhibition of the quorum sensing by quorum quenching in postlarva of Litopenaeus vannamei El cultivo del camarón blanco Litopenaeus vannamei es un recurso acuícola de gran importancia económica a nivel mundial; sin embargo, es severamente afectado por varios tipos de enfermedades infecciosas, principalmente virales y bacterianas. Sin embargo las pérdidas masivas reportadas durante los últimos años, están generalmente relacionadas a infecciones bacterianas en particular, el síndrome de mortalidad temprana (EMS) y más recientemente relacionada a la enfermedad de necrosis hepatopancreática

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Sweeney, Corinne Raphel, Jill Beech, and Kate A. W. Roby. "Bacterial isolates from tracheobronchial aspirates of healthy horses." American Journal of Veterinary Research 46, no. 12 (1985): 2562–65. https://doi.org/10.2460/ajvr.1985.46.12.2562.

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SUMMARY Of tracheobronchial aspirates from 50 clinically healthy Thoroughbred racehorses, 4 (8%) had aerobic bacteria with recognized pathogenicity, 12 (24%) contained transient bacterial isolates, and 37 (74%) had no bacterial growth. Of tracheobronchial aspirates from 36 pastured, nonracing racehorses, 3 (8%) had bacteria with recognized pathogenicity, 23 (64%) contained transient bacteria, and 10 (28%) had no bacterial growth. Anaerobes were not isolated from 12 of 12 pastured horses. Transient bacteria were isolated more often in the pastured horses.

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Aini, Fitratul. "The Effectivity of Bacteria Isolated From of Liquid Waste Palm Oil Plantation on Ganoderma Boninense." International Journal of Ecophysiology 1, no. 1 (2019): 1–7. http://dx.doi.org/10.32734/ijoep.v1i1.841.

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Ganoderma boninense is one of the main pathogenic fungus in oil palm plantations. Generally, these pathogen cause root rot (basal stem rot). Biological control that has been widely used reduce the infection is using bacteria. Liquid waste palm oil has potential to produce bacteria that is able to degrade Ganoderma boninense that causes root rot in oil palm. Liquid waste were obtained from Muaro Sabak Regency Jambi Province. Bacteri were isolated and cultivated in nutrient agar medium, characterized and identified for antagonistic test against G. boninense. Results showed that 16 bacterial isol

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Zegadło, Katarzyna, Monika Gieroń, Paulina Żarnowiec, et al. "Bacterial Motility and Its Role in Skin and Wound Infections." International Journal of Molecular Sciences 24, no. 2 (2023): 1707. http://dx.doi.org/10.3390/ijms24021707.

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Skin and wound infections are serious medical problems, and the diversity of bacteria makes such infections difficult to treat. Bacteria possess many virulence factors, among which motility plays a key role in skin infections. This feature allows for movement over the skin surface and relocation into the wound. The aim of this paper is to review the type of bacterial movement and to indicate the underlying mechanisms than can serve as a target for developing or modifying antibacterial therapies applied in wound infection treatment. Five types of bacterial movement are distinguished: appendage-

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Libbing, Cassandra L., Adam R. McDevitt, Rea-Mae P. Azcueta, Ahila Ahila, and Minal Mulye. "Lipid Droplets: A Significant but Understudied Contributor of Host–Bacterial Interactions." Cells 8, no. 4 (2019): 354. http://dx.doi.org/10.3390/cells8040354.

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Lipid droplets (LDs) are cytosolic lipid storage organelles that are important for cellular lipid metabolism, energy homeostasis, cell signaling, and inflammation. Several bacterial, viral and protozoal pathogens exploit host LDs to promote infection, thus emphasizing the importance of LDs at the host–pathogen interface. In this review, we discuss the thus far reported relation between host LDs and bacterial pathogens including obligate and facultative intracellular bacteria, and extracellular bacteria. Although there is less evidence for a LD–extracellular bacterial interaction compared to in

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Sperandio, Vanessa. "Novel approaches to bacterial infection therapy by interfering with bacteria-to-bacteria signaling." Expert Review of Anti-infective Therapy 5, no. 2 (2007): 271–76. http://dx.doi.org/10.1586/14787210.5.2.271.

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Crump, Byron C., E. Virginia Armbrust, and John A. Baross. "Phylogenetic Analysis of Particle-Attached and Free-Living Bacterial Communities in the Columbia River, Its Estuary, and the Adjacent Coastal Ocean." Applied and Environmental Microbiology 65, no. 7 (1999): 3192–204. http://dx.doi.org/10.1128/aem.65.7.3192-3204.1999.

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ABSTRACT The Columbia River estuary is a dynamic system in which estuarine turbidity maxima trap and extend the residence time of particles and particle-attached bacteria over those of the water and free-living bacteria. Particle-attached bacteria dominate bacterial activity in the estuary and are an important part of the estuarine food web. PCR-amplified 16S rRNA genes from particle-attached and free-living bacteria in the Columbia River, its estuary, and the adjacent coastal ocean were cloned, and 239 partial sequences were determined. A wide diversity was observed at the species level withi

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Mohd Isa, Nur Suaidah, Hani El Kadri, Daniele Vigolo, Nur Farra Adlina Mohamed Zakhari, and Konstantinos Gkatzionis. "Understanding the Application of Emulsion Systems for Bacterial Encapsulation and Temperature-Modulated Release." Fluids 9, no. 12 (2024): 274. http://dx.doi.org/10.3390/fluids9120274.

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The encapsulation of bacteria in emulsion droplets offers various advantages over other conventional methods of encapsulation, such as improvements in bacterial viability, and may serve as microenvironments for bacterial growth. Nevertheless, changes in temperature may affect bacterial viability and droplet stability. In this study, the encapsulation of bacteria in single water-in-oil (W/O) and double water-in-oil-in-water (W1/O/W2) emulsions under cold storage and temperature-modulated release were investigated. The microencapsulation of bacteria in emulsion droplets was achieved by using a f

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Erlinawati, Erlinawati, and Safridha Kemala Putri. "Identifikasi bakteri patogen pada jajanan telur gulung yang dijual di Kecamatan Syiah Kuala Banda Aceh." Jurnal SAGO Gizi dan Kesehatan 4, no. 1 (2022): 58. http://dx.doi.org/10.30867/gikes.v4i1.1061.

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Background: Pathogenic bacteria can be a significant cause of food poisoning. Bacterial growth in food can also cause undesirable physical or chemical changes, making the food unfit for consumption. Egg roll is a snack easily found in Banda Aceh City, which children and adults generally consume. Snacks that contain high bacteria are very dangerous for health.Objectives: This study aims to determine the types of pathogenic bacteria in egg rolls sold in Syiah Kuala District, Banda Aceh.Methods: This experimental study was conducted in Syiah Kuala District, Banda Aceh City, 2020. Five samples wer

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Kim, Su Yeong, and Dae Yong Yi. "Analysis of the human breast milk microbiome and bacterial extracellular vesicles in healthy mothers." Experimental & Molecular Medicine 52, no. 8 (2020): 1288–97. http://dx.doi.org/10.1038/s12276-020-0470-5.

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Abstract The microbiota of human breast milk (HBM) contribute to infant gut colonization; however, whether bacterial extracellular vesicles (EVs) are present in HBM or might contribute to this process remains unknown. In this study, we characterized the HBM microbiota of healthy Korean mothers and measured the key bacteria likely affecting infant gut colonization by analyzing both the microbiota and bacterial EVs. A total of 22 HBM samples were collected from lactating mothers. The DNA of bacteria and bacteria-derived EVs was extracted from each sample. In alpha-diversity analyses, bacterial s

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Getriani, Zerina, Jepri Agung Priyanto, and Sri Budiarti. "Deteksi Bakteri Gram-Negatif Pada Permukaan Daun Kemangi (Ocimum basilicum) dari Tiga Pasar Tradisional di Bogor." Jurnal Sumberdaya Hayati 9, no. 4 (2023): 138–44. http://dx.doi.org/10.29244/jsdh.9.4.138-144.

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Ocimum basilicum or basil is commonly consumed raw by Indonesian. However, it is easily contaminated by pathogenic bacteria. This study aimed to detect Gram-negative bacteria in basil leaves obtained from three traditional markets in Bogor. Isolation and quantification of bacteria using serial dilution showed that the average number of bacteria on the surface of basil leaves was 9.6 × 107 CFU/g. Basil leaves obtained from the second traditional market had the highest number of bacteria, namely 11.3 × 107 CFU/g. All isolated bacteria have the same morphology namely bacilli, then further purifie

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Choi, Byungwook, Tae-Min Kim, Seorin Jeong, Yousuk Kim, and Eunsuk Kim. "Effects of Seed Endophytic Bacteria on Life History and Reproductive Traits in a Cosmopolitan Weed, Capsella bursa-pastoris." Plants 11, no. 19 (2022): 2642. http://dx.doi.org/10.3390/plants11192642.

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Diverse bacteria inhabit plant seeds, and at least some of them can enhance plant performance at the early developmental stage. However, it is still inconclusive whether seed bacteria can influence post-germination traits and their contribution to plant fitness. To explore the evolutionary and ecological consequences of seed endophytic bacteria, we isolated four bacterial strains from the seeds of an annual weedy plant species, Capsella bursa-pastoris, and conducted a common garden experiment using seeds inoculated by isolated bacteria. Seeds infected by bacteria tended to germinate in spring

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Mazidah Noer Inayah and Suci Indah Budiarti. "Potensi Bakteri Tanah Penghasil Senyawa Antimikrob Untuk Menghambat Pertumbuhan Bakteri Escherichia Coli dan Staphylococcus Aureus." Jurnal Nurse 4, no. 1 (2021): 82–93. http://dx.doi.org/10.57213/nurse.v4i1.234.

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Antimicrobials are molecules that inhibit the growth of microbes. Some bacterial species, consisting of actinomycetes and fungi, are capable of producing antimicrobial substances. Streptomyces, commonly referred to as soil bacteria, are a group of actinomycetes that produce multiple antimicrobial agents. Other soil bacteria that may produce antibiotics include Pseudomonas, Bacillus, Nocardia, Kibdelosporangium, and Roseobacter. Thereby, soil is one of the potential sources that is capable of being used as a research sample for discovering and collecting antibiotic-producing bacteria, especiall

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Chaudhary, Hammad Tufail. "BLOOD BAG;." Professional Medical Journal 24, no. 02 (2017): 210–15. http://dx.doi.org/10.29309/tpmj/2017.24.02.512.

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Transfusion of blood products is one of the key aspects of hospital care. Amongthe risk of blood transfusions, bacterial contamination of the blood bags is not so uncommon.Sources of bacteria can be several. Majority of the times the source of bacteria is the arm of thedonor. Second important cause of bacterial contamination of blood transfusion, is bacteria inthe blood stream of the donor. Donor is usually selected with strict selection criteria. Detailedhistory is usually taken. Diversion is another method used to reduce the bacterial contaminationof blood bags. Temperature is also important

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Sawaya, K., N. Kaneko, K. Fukushi, and J. Yaguchi. "Behaviors of physiologically active bacteria in water environment and chlorine disinfection." Water Science and Technology 58, no. 7 (2008): 1343–48. http://dx.doi.org/10.2166/wst.2008.445.

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Direct microscopic methods using several fluorescent staining were applied to estimate the proportion of physiologically active bacteria in the water environment and evaluate the efficacy of disinfection with chlorine. 4′,6-diamidino-2-phenylindole (DAPI) was used to determine total bacterial numbers, and 5-cyano-2,3-ditolyl tetrazolium chloride (CTC) was chosen for direct detection of respiring bacteria. BacLightTM kit was used to assess bacterial membrane integrity. Bacteria with growth potential were enumerated using the DVC method and microcolony technique. The total bacterial number in ri

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Murakami, Gen, Yuichi Sugai, and Kyuro Sasaki. "Preliminary Study on In Situ Realtime Quantitation of Target Bacteria on the Principle of Flow Cytometry." Solid State Phenomena 262 (August 2017): 224–27. http://dx.doi.org/10.4028/www.scientific.net/ssp.262.224.

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In-situ realtime method that can monitor the target bacteria should be used to determine the real situation of the bacteria in deep parts of heaps in heap bioleaching plants. This study suggest to apply flow cytometry technology to in-situ realtime monitoring of target bacteria. Flow cytometry is a method that can rapidly quantify the bacterial cells in bacterial suspension based on the detection of lights that are emitted from bacterial cells. In this study, we estimated the possibility of the application of flow cytometry to the selective detection of target bacteria. The bacterial culture s

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Huo, Chen, Wang, et al. "Continuous-Flow Separation and Efficient Concentration of Foodborne Bacteria from Large Volume Using Nickel Nanowire Bridge in Microfluidic Chip." Micromachines 10, no. 10 (2019): 644. http://dx.doi.org/10.3390/mi10100644.

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Separation and concentration of target bacteria has become essential to sensitive and accurate detection of foodborne bacteria to ensure food safety. In this study, we developed a bacterial separation system for continuous-flow separation and efficient concentration of foodborne bacteria from large volume using a nickel nanowire (NiNW) bridge in the microfluidic chip. The synthesized NiNWs were first modified with the antibodies against the target bacteria and injected into the microfluidic channel to form the NiNW bridge in the presence of the external arc magnetic field. Then, the large volu

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Henry, J. G., D. Prasad, and W. B. Lohaza. "Fate of indicator organisms in sludge during bacterial leaching of metals." Canadian Journal of Civil Engineering 18, no. 2 (1991): 237–43. http://dx.doi.org/10.1139/l91-028.

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Biological extraction (bacterial leaching) of heavy metals from digested sewage sludge has been shown to be a practical means for decontaminating sludge for use on agricultural land. However, it was not known whether pathogenic organisms would survive or be destroyed in the acidic environment necessary for the bacterial leaching process. The purpose of the research reported herein was to assess the effect of bacterial leaching on various bacteria commonly used to indicate the possible presence of pathogenic organisms. Although pathogenic viruses, bacteria, protozoa, and helminths may be presen

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Nurmiaho-Lassila, E. L., S. Timonen, K. Haahtela, and R. Sen. "Bacterial colonization patterns of intactPinus sylvestrismycorrhizospheres in dry pine forest soil: an electron microscopy study." Canadian Journal of Microbiology 43, no. 11 (1997): 1017–35. http://dx.doi.org/10.1139/m97-147.

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The bacterial populations associated with different plant and fungal habitats of intact Pinus sylvestris – Suillus bovinus or Pinus sylvestris – Paxillus involutus ectomycorrhizospheres grown in natural forest soil were examined by scanning and transmission electron microscopy. Surfaces of nonmycorrhizal Pinus sylvestris roots hosted large numbers of morphologically distinct bacteria. Bacteria were detected on the mantle surfaces and at inter- and intra-cellular locations in the mantle and Hartig net of Suillus bovinus mycorrhizas. The fungal strands were colonized by only a few bacteria unlik

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Kong, Xiang Ping. "Transport of Bacteria in Natural Core as Enhanced Oil Recovery Material." Applied Mechanics and Materials 164 (April 2012): 231–34. http://dx.doi.org/10.4028/www.scientific.net/amm.164.231.

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The effects of the bacterial cell size and flow velocity on the transport of concentrated suspensions of bacteria were experimentally investigated, and the bacteria retention mechanism was studied by observing bacterial distribution in natural cores. A lower reduction in permeability and a higher effluent bacterial concentration were obtained in the core flooding with the smaller cell size bacteria or at a higher flow velocity. The bacteria were easier to migrate through the porous rock directionally compared to the rigid solid particles owing to their organic flexibility. Bacteria retention o

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Halim, Rashidah Abd, Nor'Aishah Hasan, and Kogeethavani Ramachandran. "Screening of Endophytic Bacteria as Biocontrol Agents Against Bacteria Leaf Blight (Xanthomonas oryzae)." HAYATI Journal of Biosciences 27, no. 3 (2020): 215. http://dx.doi.org/10.4308/hjb.27.3.215.

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Bacterial leaf blight (BLB) is one of major threats in rice production as it can cause 100% yield loss. Concern on the environment and human health has led an attempt to replace existing methods of chemical control and avoid extensive use of bactericides by using endophytic bacteria. The present study was conducted to screen and characterize bacteria isolated from different sources that has potential as antagonistic bacteria against Xanthomonas oryzaepv. oryzae (Xoo), the causal agent of bacterial leaf blight of paddy. Two hundred and thirty-three endophytic bacteria were successfully isolated

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Rahman, Fatur, Ismiati Ismiati, and Arbai Nurhasanah. "Distribusi Bakteri Penghasil Enzim Ekstraseluler Pada Saluran Pencernaan Lobster Mutiara (Panulirus ornatus)." JURNAL SAINS TEKNOLOGI & LINGKUNGAN 5, no. 2 (2019): 71. http://dx.doi.org/10.29303/jstl.v5i2.129.

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The activity of the digestive function of animals is influenced by the secretion of extracellular enzymes from bacteria in the digestive tract. This study aims to evaluate the distribution of bacteria producing protease enzyme, amylase and lipase from the digestive tract of pearl lobster, Panulirus ornatus. Bacterial isolates that have extracellular enzyme activity are based on their ability to form clear zones in the test media. The results showed that of 51 bacterial isolates from the digestive tract of P. ornatus, proteolytic bacteria were 27.45%, amylolytic bacteria were 23.53% and lipolyt

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Chu, Mengqi, and Xiaobo Zhang. "Bacterial Atlas of Mouse Gut Microbiota." Cellular Microbiology 2022 (April 11, 2022): 1–21. http://dx.doi.org/10.1155/2022/5968814.

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Background. Mouse model is one of the most widely used animal models for exploring the roles of human gut microbiota, a complex system involving in human immunity and metabolism. However, the structure of mouse gut bacterial community has not been explored at a large scale. To address this concern, the diversity and composition of the gut bacteria of 600 mice were characterized in this study. Results. The results showed that the bacteria belonging to 8 genera were found in the gut microbiota of all mouse individuals, indicating that the 8 bacteria were the core bacteria of mouse gut microbiota

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Mahardika, K., I. Mastuti, R. Septory, A. Nasukha, and I. N. A. Giri. "Bacterial density variations of the coastal waters from three marine aquaculture centers in Bali, Indonesia." IOP Conference Series: Earth and Environmental Science 1221, no. 1 (2023): 012011. http://dx.doi.org/10.1088/1755-1315/1221/1/012011.

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Abstract The highly dynamic nature of marine waters can create unique characteristics for bacterial communities. The purpose of this study was to quantify the number of bacteria present in the beach sand and coastal waters of three marine aquaculture centers in Bali, Indonesia. Two locations that have developed were selected (Patas Village and Candikusuma Village). While an advance centre was located in Sumberkima Village Bay. Sampling was done in March-April 2021. Seawater and beach sand from the three locations were collected and analyzed for total plate count bacteria, Vibrio sp., halotoler

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Lee, Yoo Kyung, Kae Kyoung Kwon, Kyeung Hee Cho, Jae Hyun Park, and Hong Kum Lee. "Isolation and Identification of Bacteria from Marine Biofilms." Key Engineering Materials 277-279 (January 2005): 612–17. http://dx.doi.org/10.4028/www.scientific.net/kem.277-279.612.

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In the marine environment, biofilms cover most of the subtidal and intertidal solid surfaces. Culturable bacteria forming marine biofilms were isolated on artificial substrate called acrylic coupons. The bacterial isolates were identified through a comparison of 16S rDNA sequences. A total of 115 strains were cultured and identified, 45 of which showed the same sequences with other strains. Therefore, 70 strains were finally identified. The bacterial isolates belonged to a–Proteobacteria (32 isolates), g–Proteobacteria (12 isolates), CFB group bacteria (4 isolates), high GC Gram-positive bacte

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