Name: staphylococcus aureus growth using human hemoglobin as an iron source
Uploaded: 2013-02-07T12:30:00
Description: Watch this Scientific Journal Video about Staphylococcus aureus Growth using Human Hemoglobin as an Iron Source at JoVE.com

Bu araştırma, Alerji ve Bulaşıcı Hastalıklar Ulusal Enstitüsü ABD Kamu Sağlığı Servisi hibe AI69233 ve AI073843 tarafından desteklenmiştir. EPS Bulaşıcı Hastalıklar Patogenez bir Burroughs Wellcome Üyesidir. KPH Hücresel ve Moleküler Mikrobiyoloji Eğitimi Hibe Programı 5 T32 A107611-10 tarafından finanse edildi.

1. Taze Kan gelen Hemoglobin saflaştırılması <ol><li> Bir antikoagülan ile desteklenmiş taze insan kanı edinin. Saflaştırma boyunca buz üzerinde veya 4 de kan ° C tutun. </li><li> 1,500 x g&#39;de 20 dakika boyunca kan santrifüjleyin. Kırmızı kan hücrelerinin (eritrositler), tüpün altında olacaktır. Dikkatlice süpernatan aspire ve yavaşça buz gibi soğuk% 0.9 (ağırlık / hacim) NaCl solüsyonu içinde pelet tekrar süspansiyon. Santrifüj tekrarlayın ve 3 kez yıkayın. </li><li> Buz gibi so?...

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Demir yaşamın 15 tüm krallıklardan organizmalar tarafından gerekli olan temel bir besindir. Omurgalılar, demir bu öğe tarafından kaynaklanan zehirlenme önlemek için tecrit edilir. Bu haciz de beslenme bağışıklık 16 olarak bilinen bir süreçte mikroplar istila demir gizler. Buna karşılık, patojenler beslenme bağışıklık engelleyecek stratejiler geliştirmişlerdir. Böyle bir mekanizma hemoglobin dayanır, hangi ana 17 içindeki demirin en bol kaynağıdır. Hemogl...

<table border="1"><tbody><tr><td> Reaktif / Malzeme Adı </td><td> Şirket </td><td> Katalog Numarası </td><td> Yorumlar </td></tr><tr><td> HPLC anyon değişim kolonuna </td><td> Varian </td><td> PL1551-3802 </td><td></td></tr><tr><td> Drabkin reaktifi </td><td> Sigma </td><td> D5941-6VL </td><td></td></tr><tr><td> Hemoglobin standart </td><td> Pointe Scientific </td><td> H7506-STD </td><td></td></tr><tr><td> RPMI </td><td> HyClone </td><td> SH30011.02 </td><td></td></tr><tr><td> Chelex 100 sodyum formu </td><td> Sigma </td><td> C7901 </td><td></td></tr><tr><td> EDDHA </td><td> LGC Standartları GmbH </td><td> ANC 001 </td><td></td></tr><tr><td> Hemoglobin bir antikor </td><td> Santa Cruz Biotechnology, Inc </td><td> SC-21005 </td><td> &lt;/ Td&gt; </tr><tr><td> Triptik Soy Agar </td><td> BD </td><td> 236920 </td><td></td></tr></tbody></table>

staphylococcus aureus growth using human hemoglobin as an iron source

S. aureus hayati metabolik fonksiyonları ve hastalık yapan yürütmek için demir gerektiren bir patojen bakteridir. Insan konak içindeki demirin en bol rezervuar hemoglobin kofaktörüdür heme vardır. Hemoglobin demir elde etmek için, S. aureus demir-regüle yüzey belirleyicisi (Isd) sistemi 1 olarak bilinen karmaşık bir sistem kullanır. Isd sistem ilk bind konak hemoglobin Bileşenleri, daha sonra ayıklamak ve heme ithalat ve nihayet bakteriyel sitoplazma 2,3 heme demir kurtarmak. Bu yol vitro çalışmalar 4-9 sayısız aracılığıyla diseke edilmiştir. Ayrıca, enfeksiyon için Isd sistemin katkısı art arda 8,10-14 fare modellerinde ortaya konmuştur. Hemoglobin kaynaklı demir edinimi Isd sistemin katkısı kurulması ve büyüme daha zorlu olduğu kanıtlanmıştır. Bir tek demir kaynağı olarak hemoglobin kullanarak Büyüme deneyleri b karmaşıktıry büyüme ortamında serbest demir kirletici ticari olarak temin hemoglobin kararsızlık, ve demir şelatlar ile ilişkili toksisite. İşte biz bu sınırlamalarının üstesinden bir yöntem sunuyoruz. Yüksek kaliteli hemoglobin taze kandan hazırlanmıştır ve sıvı azot içinde saklanır. Arıtılmış hemoglobin içine ilave edilir, orta omurgalı konukçu içerisindeki patojenlerin karşılaştığı demir-fakir ortamda taklit demir tüketmek. S. açlıktan tarafından serbest demir aureus ve biz, hemoglobin bağlamak heme ayıklamak, bakteri hücre zarfı ile heme geçmek ve sitoplazmada heme aşağılamak yeteneğini tamamen bağımlı bir şekilde büyümesine neden hemoglobin minimal manipüle formu ile ilave. Bu tahlil S. hemoglobin-/heme-derived demir iktisap mekanizmaları aydınlatmak isteyen araştırmacılar için yararlı olacaktır aureus ve muhtemelen diğer bakteriyel patojenler.

Biz HPLC (Protokol adım 1.7) ile hemolizat insan hemoglobin Temizlendikleri. Şekil 1 gösterir 280 ve 410 nm dalga boylarında eluat absorbans kaydedildi. Fraksiyon 5 toplandı ve diğer fraksiyonlar atıldı. Eluat mililitrede hemoglobin beş ile on beş miligram Verimleri genellikle elde edilir. Saflaştırılmış hemoglobin kopya halinde SDS-PAGE ile analiz edildi ve jeller ya da proteinler için boyandı ya da nitroselüloz üzerine transfer edildi ve (Protokol adım 1.10, Şekil 2)</stro...

Watch this Scientific Journal Video about Staphylococcus aureus Growth using Human Hemoglobin as an Iron Source at JoVE.com

Staphylococcus aureus Growth using Human Hemoglobin as an Iron Source

Burada bir büyüme tahlil tarif<em&gt; Staphylococcus aureus</em&gt; Mevcut besin demir tek kaynak olarak hemoglobin kullanarak. Bu testte elde edilen hemoglobin demir elde etme ile ilgili bakteri faktörlerin rolü kurar.

Demir Kaynağı Olarak İnsan Hemoglobin kullanarak Staphylococcus aureus Büyüme

S. aureus is a pathogenic bacterium that requires iron to  carry out vital metabolic functions and cause disease. The most abundant  reservoir of iron ...

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Immunology and Infection

Staphylococcus aureus Growth using Human Hemoglobin as an Iron Source

The Use of Drip Flow and Rotating Disk Reactors for Staphylococcus aureus Biofilm Analysis

The Use of Drip Flow and Rotating Disk Reactors for Staphylococcus aureus Biofilm Analysis

Damla Akış ve Döner Disk Reaktörler kullanın Staphylococcus aureus Biyofilm Analizi

Most microbes in nature are thought to exist as surface-associated communities in biofilms.1  Bacterial biofilms are encased within a matrix and attached ...

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus MRSA

Subkutan Enfeksiyon Metisiline Dirençli Stafilokok Aureus (MRSA)

MRSA is a worldwide threat to public health, and MRSA skin and soft-tissue infections now account for more than half of all soft-tissue infections in the ...

Cost-effective Method for Microbial Source Tracking Using Specific Human and Animal Viruses

Özgül İnsan ve Hayvan Virüsler Mikrobiyal Kaynak Takip için maliyet-etkin Yöntemi

Microbial contamination of the environment represents a significant health risk. Classical bacterial fecal indicators have shown to have significant ...

Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus (MRSA) in Rat

Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus MRSA in Rat

Metisiline Dirençli Deneysel Endokardit Modeli<em&gt; Staphylococcus aureus</em&gt; (MRSA) Sıçan

Endovascular infections, including endocarditis, are life-threatening infectious syndromes1-3. Staphylococcus aureus is the most common world-wide cause ...

Multiplex PCR Assay for Typing of Staphylococcal Cassette Chromosome Mec Types I to V in Methicillin-resistant Staphylococcus aureus

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Metisiline diren

Staphylococcal Cassette Chromosome mec (SCCmec) typing  is a very important molecular tool for understanding the epidemiology and  clonal strain ...

Studying Interactions of Staphylococcus aureus with Neutrophils by Flow Cytometry and Time Lapse Microscopy

Studying Interactions of Staphylococcus aureus with Neutrophils by Flow Cytometry and Time Lapse Microscopy

Etkileşimi incelenmesi<em&gt; Staphylococcus aureus</em&gt; Akım Sitometri ve Time Lapse Mikroskopi tarafından Nötrofiller ile

We present methods to study the effect of phenol soluble modulins (PSMs)  and other toxins produced and secreted by Staphylococcus  aureus on neutrophils. ...

Targeting Biofilm Associated Staphylococcus aureus Using Resazurin Based Drug-susceptibility Assay

Targeting Biofilm Associated Staphylococcus aureus Using Resazurin Based Drug-susceptibility Assay

Biyofilm İlişkili Hedefleme<em&gt; Staphylococcus aureus</emKullanma&gt; Resazurin Tabanlı İlaç-duyarlılık Deneyi

Most pathogenic bacteria are able to form biofilms during infection, but due to the difficulty of manipulating and assessing biofilms, the vast majority ...

Genotyping of Staphylococcus aureus by Ribosomal Spacer PCR (RS-PCR)

Genotyping of Staphylococcus aureus by Ribosomal Spacer PCR RS-PCR

bir Genotiplendirme<em&gt; Staphylococcus aureus</em&gt; Tarafından Ribozomal Spacer PCR (RS-PCR)

The ribosomal spacer PCR (RS-PCR) is a highly resolving and robust genotyping method for S. aureus that allows a high throughput at moderate costs and is, ...

Methodology for the Study of Horizontal Gene Transfer in Staphylococcus aureus

Methodology for the Study of Horizontal Gene Transfer in Staphylococcus aureus

Yatay Gen Transferi Çalışmasında Metodolojisi<em&gt; Staphylococcus aureus</em

One important feature of the major opportunistic human pathogen Staphylococcus aureus is its extraordinary ability to rapidly acquire resistance to ...

A Mouse Model to Assess Innate Immune Response to Staphylococcus aureus Infection

A Mouse Model to Assess Innate Immune Response to Staphylococcus aureus Infection

Bir fare modeli için değerlendirmek doğuştan gelen bağışıklık yanıtı Staphylococcus aureus enfeksiyon

Staphylococcus aureus (S. aureus)&#160;infections, including methicillin resistant stains, are an enormous burden on the healthcare system. With incidence ...