why is the unknown in this example not pseudomonas ?




Why is the Unknown in This Example Not Pseudomonas?




Why is the Unknown in This Example Not Pseudomonas?

Introduction

In microbiology, accurate identification of microorganisms is crucial for understanding their characteristics and potential impact on human health and the environment. In this example, we will explore why the unknown in this case is not pseudomonas and the importance of accurate identification.

Background

Pseudomonas is a genus of gram-negative bacteria that are commonly found in soil, water, and plants. They are known for their ability to degrade a wide range of organic compounds and their resistance to many antibiotics. Pseudomonas infections can cause a variety of symptoms, including skin infections, respiratory infections, and urinary tract infections.

In this example, a sample was taken from a patient with a suspected urinary tract infection. The sample was cultured and identified as an unknown organism. The initial tests suggested that the unknown was pseudomonas, but further analysis revealed otherwise.

Analysis

Several tests were performed to identify the unknown organism, including gram staining, oxidase testing, and biochemical testing. The gram stain showed that the unknown was a gram-negative rod, which is consistent with pseudomonas. The oxidase test was positive, which is also consistent with pseudomonas. However, the biochemical tests showed that the unknown did not produce pyocyanin, which is a characteristic pigment produced by pseudomonas. Additionally, the unknown did not grow on cetrimide agar, which is a selective medium used to isolate pseudomonas.

Based on these results, it was determined that the unknown was not pseudomonas. Further testing revealed that the unknown was actually a different genus of gram-negative bacteria called Proteus.

Importance of Accurate Identification

The accurate identification of microorganisms is essential for several reasons. First, it allows for appropriate treatment of infections. Different bacteria require different antibiotics, so accurate identification is necessary to ensure that the correct treatment is prescribed. Second, accurate identification can help prevent the spread of infections. Knowing the identity of a microorganism can help healthcare professionals take appropriate precautions to prevent the spread of the infection to others. Finally, accurate identification is important for research purposes. Understanding the characteristics of different microorganisms can help researchers develop new treatments and preventions for infections.

Conclusion

In conclusion, the unknown in this example was not pseudomonas, but rather a different genus of gram-negative bacteria called Proteus. Accurate identification of microorganisms is crucial for appropriate treatment, prevention of spread, and research purposes. It is important to use a variety of tests and techniques to ensure accurate identification.

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1.Mastering Micro Chap 10 HW Flashcards – Quizlet

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  • Descriptions: Why is the unknown in this example not Pseudomonas? it ferments lactose. How would the results be different if this organism was Salmonella?
  • Source : https://quizlet.com/15087020/mastering-micro-chap-10-hw-flash-cards/

2.Micro Lab Chp 4 HW Flashcards – Quizlet

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  • Descriptions: Why is the unknown in this example not Pseudomonas? A. It can tolerate oxygen. B. It ferments lactose. C. It is a Gram-negative cell. D.
  • Source : https://quizlet.com/301358353/micro-lab-chp-4-hw-flash-cards/

3.ch 10 Flashcards | Chegg.com

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  • Descriptions: Why is the unknown in this example not Pseudomonas? It ferments lactose. It is a rod-shaped cell. It is a Gram-negative cell. It can tolerate oxygen.
  • Source : https://www.chegg.com/flashcards/ch-10-19099038-c219-4d56-bf3d-34fb5eee3039/deck

4.Exam 4 quiz 7 & 10 Flashcards | Chegg.com

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  • Descriptions: Why is the unknown in this example not Pseudomonas? It ferments lactose. What test result indicates that the unknown can utilize citrate as its sole carbon …
  • Source : https://www.chegg.com/flashcards/exam-4-quiz-7-10-c457bf89-4d48-4ba1-9dd8-55288100964f/deck

5.Why is the unknown in this example not Pseudomonas … – Brainly.com

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  • Descriptions: Why is the unknown in this example not Pseudomonas?A. It can tolerate oxygen. B. It ferments lactose. C. It is a Gram-negative cell.
  • Source : https://brainly.com/question/30630925

6.Pseudomonas – Medical Microbiology – NCBI Bookshelf

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  • Descriptions: The genus Pseudomonas contains more than 140 species, most of which are saprophytic. More than 25 species are associated with humans.
  • Source : https://www.ncbi.nlm.nih.gov/books/NBK8326/

7.Microbiology, Genomics, and Clinical Significance of the … – NCBI

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  • Descriptions: Pseudomonas fluorescens is not generally considered a bacterial pathogen in humans; however, multiple culture-based and culture-independent studies have …
  • Source : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4187640/

8.Pseudomonas aeruginosa – an overview | ScienceDirect Topics

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  • Descriptions: However, P. aeruginosa is a typical example of an opportunistic pathogen for humans; it does not attack normal healthy tissue, but can cause serious infection …
  • Source : https://www.sciencedirect.com/topics/medicine-and-dentistry/pseudomonas-aeruginosa

9.How to Identify Pseudomonas aeruginosa | Unknown Lab Report

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  • Descriptions: According to the lab instructor, however, this species was not correctly identified, and the correct species was Klebsiella pneumoniae.
  • Source : https://acls-bls-memphis.com/how-to-identify-pseudomonas-aeruginosa/

10.Antibacterial-Resistant Pseudomonas aeruginosa: Clinical Impact …

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  • Descriptions: P. aeruginosa was not successfully isolated in pure culture until 1882, … For example, the same researchers analyzed 10 clinical isolates of P. aeruginosa …
  • Source : https://journals.asm.org/doi/10.1128/CMR.00040-09

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