{"product_id":"ecoli-k12-strain-broth","title":"E.Coli K12 Strain in Nutrient Broth","description":"\u003cp\u003eGram -ive\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eEscherichia coli\u003c\/em\u003e is a Gram-negative straight rod, which either uses peritrichous flagella for mobility or is nonmotile. E coli is commonly found in the lower intestine of warm-blooded animals such as humans. The K12 strain has been modified so it can no longer survive in the human gut making it safe to work with.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for practical investigations into \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003ca title=\"Antibiotic discs\" href=\"https:\/\/www.darwinbiological.co.uk\/collections\/antibiotic-discs\" target=\"_blank\"\u003eantibiotic\u003c\/a\u003e\u003cspan\u003e efficacy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eE.coli K12 (NCTC 10538) is Lactose positive (Lac+), i.e. produces beta-galactosidease in the presence of lactase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eAll Darwin's bacteria are derived from strains held by the\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" href=\"https:\/\/www.darwinbiological.co.uk\/pages\/nctc\" title=\"Darwin Biological NCTC Information\" target=\"_blank\"\u003eBritish National Culture Collection (NCTC)\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e. These cultures are then sub-cultured before being applied to slopes and sold into schools and colleges across the UK. By sub-culturing we are able to supply quality bacteria at affordable prices. Our bacteria is a maximum of 4 passages away from the Culture Collection’s original. If you require fewer passages, or are purchasing for non-educational purposes, please \u003c\/span\u003e\u003ca href=\"https:\/\/www.culturecollections.org.uk\/nop\/product\/escherichia-coli-204\" title=\"Escherichia coli E.coli K12 NCTC 10538\" target=\"_blank\"\u003epurchase directly from the NCTC.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eMade by Darwin Biological in the UK under licence from the UK Health Security Agency, formerly Public Health England. NCTC is the trade mark of UKHSA.\u003c\/p\u003e\n\u003cp\u003eSupplied in a glass screw top universal bottle, this product contains 10ml of nutrient broth that has been inoculated with bacteria and incubated for 24 hours prior to dispatch. Because it is prepared fresh to order, a one day lead time is required before dispatch.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e*For educational purposes ONLY*\u003c\/strong\u003e\u003c\/p\u003e","brand":"Darwin Biological","offers":[{"title":"Default Title","offer_id":55580659450232,"sku":"LM-225-B","price":18.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0071\/5030\/5343\/files\/LM-225_E.coli_K12_99.jpg?v=1746627354","url":"https:\/\/www.darwinbiological.co.uk\/products\/ecoli-k12-strain-broth","provider":"Darwin Biological","version":"1.0","type":"link"}