{"id":2456,"date":"2022-05-05T21:00:36","date_gmt":"2022-05-05T15:15:36","guid":{"rendered":"https:\/\/microbenotes.com\/?p=2456"},"modified":"2023-01-13T14:29:43","modified_gmt":"2023-01-13T08:44:43","slug":"biochemical-test-of-haemophilus-influenzae","status":"publish","type":"post","link":"https:\/\/microbenotes.com\/biochemical-test-of-haemophilus-influenzae\/","title":{"rendered":"Biochemical Test of Haemophilus influenzae"},"content":{"rendered":"<p><span style=\"color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2457\" src=\"https:\/\/microbenotes.com\/wp-content\/uploads\/2019\/05\/Biochemical-Test-of-Haemophilus-influenzae.jpg\" alt=\"Biochemical Test of Haemophilus influenzae\" width=\"800\" height=\"420\" srcset=\"https:\/\/microbenotes.com\/wp-content\/uploads\/2019\/05\/Biochemical-Test-of-Haemophilus-influenzae.jpg 800w, https:\/\/microbenotes.com\/wp-content\/uploads\/2019\/05\/Biochemical-Test-of-Haemophilus-influenzae-300x158.jpg 300w, https:\/\/microbenotes.com\/wp-content\/uploads\/2019\/05\/Biochemical-Test-of-Haemophilus-influenzae-768x403.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/span><\/p>\n<p><span style=\"color: #000000;\">Image Source: <a style=\"color: #000000;\" href=\"https:\/\/www.gov.mb.ca\/health\/publichealth\/diseases\/hib.html\" target=\"_blank\" rel=\"noopener noreferrer\">Manitoba Health<\/a> and <a style=\"color: #000000;\" href=\"https:\/\/fineartamerica.com\/featured\/7-sem-of-haemophilus-influenzae-david-m-phillips.html\" target=\"_blank\" rel=\"noopener noreferrer\">Fine Art America<\/a>.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0a0a0a;color:#0a0a0a\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0a0a0a;color:#0a0a0a\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/microbenotes.com\/biochemical-test-of-haemophilus-influenzae\/#some-of-the-characteristics-are-as-follows\" title=\"Some of the characteristics are as follows:\">Some of the characteristics are as follows:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/microbenotes.com\/biochemical-test-of-haemophilus-influenzae\/#fermentation-of\" title=\"Fermentation of\">Fermentation of<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/microbenotes.com\/biochemical-test-of-haemophilus-influenzae\/#enzymatic-reactions\" title=\"Enzymatic Reactions\">Enzymatic Reactions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/microbenotes.com\/biochemical-test-of-haemophilus-influenzae\/#-references\" title=\"\u00a0References\">\u00a0References<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"some-of-the-characteristics-are-as-follows\"><\/span><span style=\"color: #000000;\"><strong>Some of the characteristics are as follows:<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\"><strong>Basic Characteristics<\/strong><\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\"><strong>Properties (<em>Haemophilus influenzae)<\/em><\/strong><\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Capsule<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Strain-dependent<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Catalase<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Flagella<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Gas<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Gram Staining<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Gram-negative<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">H<sub>2<\/sub>S<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Hemolysis<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Indole<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Variable<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Motility<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Nitrate Reduction<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Nitrite Reduction<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Oxidase<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Pigment<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Absent or yellowish<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Shape<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Coccobacilli or small regular rods<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Urease<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Variable<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">V-factor requirement<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"540\">\n<h2><span class=\"ez-toc-section\" id=\"fermentation-of\"><\/span><span style=\"color: #000000;\"><strong>Fermentation of<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Adonitol<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Arabinose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Cellobiose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Dulcitol<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Erythritol<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Fructose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Galactose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Glucose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Glycerol<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Inositol<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Inulin<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Lactose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Maltose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Mannitol<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Mannose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Melibiose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Raffinose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Rhamnose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Ribose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Salicin<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Sorbitol<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Sorbose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Sucrose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Trehalose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Xylose<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"540\">\n<h2><span class=\"ez-toc-section\" id=\"enzymatic-reactions\"><\/span><span style=\"color: #000000;\"><strong>Enzymatic Reactions<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Alkaline Phosphatase<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Arginine Dihydrolase<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Esculin Hydrolysis<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Fucosidase<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">IgA1 protease<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Lysine decarboxylase<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Variable<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Neuraminidase<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Positive (+ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">ONPG (\u03b2-galactosidase)<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Negative (-ve)<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"228\"><span style=\"color: #000000;\">Ornithine Decarboxylase<\/span><\/td>\n<td width=\"312\"><span style=\"color: #000000;\">Variable<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"-references\"><\/span><span style=\"color: #000000;\"><strong>\u00a0<\/strong><strong>References<\/strong><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><span style=\"color: #000000;\">Bergey\u2019s Manual of Systematic Bacteriology Volume 2: The Proteobacteria, Part B:The Gammaproteobacteria.<\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/microbiologyinfo.com\/haemophilus-influenzae\/\" target=\"_blank\" rel=\"noopener\">https:\/\/microbiologyinfo.com\/haemophilus-influenzae\/<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC275054\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC275054\/<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/www.cdc.gov\/meningitis\/lab-manual\/chpt09-id-characterization-hi.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/www.cdc.gov\/meningitis\/lab-manual\/chpt09-id-characterization-hi.pdf<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/jcm.asm.org\/content\/jcm\/7\/6\/519.full.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/jcm.asm.org\/content\/jcm\/7\/6\/519.full.pdf<\/a><\/span><\/li>\n<li><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/jcm.asm.org\/content\/jcm\/11\/1\/22.full.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/jcm.asm.org\/content\/jcm\/11\/1\/22.full.pdf<\/a><\/span><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Image Source: Manitoba Health and Fine Art America. Some of the characteristics are as follows: Basic Characteristics Properties (Haemophilus influenzae) Capsule Strain-dependent Catalase Positive (+ve) Flagella Negative (-ve) Gas Negative &#8230; <a title=\"Biochemical Test of Haemophilus influenzae\" class=\"read-more\" href=\"https:\/\/microbenotes.com\/biochemical-test-of-haemophilus-influenzae\/\" aria-label=\"Read more about Biochemical Test of Haemophilus influenzae\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":2457,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[1601,4651,4652,4648,4649,4650],"custom":{"td_video":"","featured_image":"https:\/\/microbenotes.com\/wp-content\/uploads\/2019\/05\/Biochemical-Test-of-Haemophilus-influenzae.jpg","author":{"name":"Sagar Aryal","avatar":"https:\/\/secure.gravatar.com\/avatar\/862472ea06500d4318f1ad82addb608e?s=96&d=mm&r=g"},"categories":[{"term_id":702,"name":"Biochemical Test","slug":"biochemical-test","term_group":0,"term_taxonomy_id":702,"taxonomy":"category","description":"<strong>Biochemical tests are the tests that are performed on different bacteria for their identification on the basis of their biochemical activities towards different biochemical compounds.<\/strong>\r\n<ul>\r\n \t<li>Biochemical tests are one of the traditional methods for the identification of microorganisms, usually performed with phenotypic identification.<\/li>\r\n \t<li>For many years these methods were employed extensively, and they continue to be used nowadays, especially in some laboratory routines where a particular type of microorganism has to be identified rapidly.<\/li>\r\n \t<li>The ability of microorganisms to utilize certain biomolecules, resulting in useful organic compounds for themselves forms the basis of various biochemical tests.<\/li>\r\n \t<li>Biochemical tests are of different types, where the identification or distinction between different microorganisms is made on various bases.<\/li>\r\n \t<li>One of the traditional methods commonly used is a simple visual detection of the growth of the organism in the presence of essential nutrients by increased turbidity in the liquid medium.<\/li>\r\n \t<li>In other tests, however, the results are based on the change in color of the medium as a result of the change in the pH of the medium.<\/li>\r\n \t<li>Microorganisms can be classified into different groups on the basis of their reaction to such tests. Some tests even allow the distinction of microorganisms to the species level.<\/li>\r\n \t<li>Biochemical tests are thus, essential as they are inexpensive and relatively simple to perform.<\/li>\r\n \t<li>The physiology of bacteria and other microorganisms differs from one another, which allows for the differentiation of such microorganisms.<\/li>\r\n \t<li>Biochemical tests, however, have some disadvantages. Despite being inexpensive and allowing both quantitative and qualitative information about the diversity of microorganisms present in a sample, these methods are laborious and time-consuming, and results are only observed after several days.<\/li>\r\n \t<li>In some cases, false positives are obtained, especially when considering similar microbial species.<\/li>\r\n<\/ul>","parent":0,"count":114,"filter":"raw","cat_ID":702,"category_count":114,"category_description":"<strong>Biochemical tests are the tests that are performed on different bacteria for their identification on the basis of their biochemical activities towards different biochemical compounds.<\/strong>\r\n<ul>\r\n \t<li>Biochemical tests are one of the traditional methods for the identification of microorganisms, usually performed with phenotypic identification.<\/li>\r\n \t<li>For many years these methods were employed extensively, and they continue to be used nowadays, especially in some laboratory routines where a particular type of microorganism has to be identified rapidly.<\/li>\r\n \t<li>The ability of microorganisms to utilize certain biomolecules, resulting in useful organic compounds for themselves forms the basis of various biochemical tests.<\/li>\r\n \t<li>Biochemical tests are of different types, where the identification or distinction between different microorganisms is made on various bases.<\/li>\r\n \t<li>One of the traditional methods commonly used is a simple visual detection of the growth of the organism in the presence of essential nutrients by increased turbidity in the liquid medium.<\/li>\r\n \t<li>In other tests, however, the results are based on the change in color of the medium as a result of the change in the pH of the medium.<\/li>\r\n \t<li>Microorganisms can be classified into different groups on the basis of their reaction to such tests. Some tests even allow the distinction of microorganisms to the species level.<\/li>\r\n \t<li>Biochemical tests are thus, essential as they are inexpensive and relatively simple to perform.<\/li>\r\n \t<li>The physiology of bacteria and other microorganisms differs from one another, which allows for the differentiation of such microorganisms.<\/li>\r\n \t<li>Biochemical tests, however, have some disadvantages. Despite being inexpensive and allowing both quantitative and qualitative information about the diversity of microorganisms present in a sample, these methods are laborious and time-consuming, and results are only observed after several days.<\/li>\r\n \t<li>In some cases, false positives are obtained, especially when considering similar microbial species.<\/li>\r\n<\/ul>","cat_name":"Biochemical Test","category_nicename":"biochemical-test","category_parent":0}]},"_links":{"self":[{"href":"https:\/\/microbenotes.com\/wp-json\/wp\/v2\/posts\/2456"}],"collection":[{"href":"https:\/\/microbenotes.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/microbenotes.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/microbenotes.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/microbenotes.com\/wp-json\/wp\/v2\/comments?post=2456"}],"version-history":[{"count":0,"href":"https:\/\/microbenotes.com\/wp-json\/wp\/v2\/posts\/2456\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/microbenotes.com\/wp-json\/wp\/v2\/media\/2457"}],"wp:attachment":[{"href":"https:\/\/microbenotes.com\/wp-json\/wp\/v2\/media?parent=2456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microbenotes.com\/wp-json\/wp\/v2\/categories?post=2456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microbenotes.com\/wp-json\/wp\/v2\/tags?post=2456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}