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Gram-negative rods, or bacilli, are rod-shaped bacteria that give a negative result with Gram staining. These bacteria have a thin peptidoglycan layer sandwiched between the inner and outer cell membrane. This layer is r... More »

www.reference.com Science Biology

Gram-negative bacilli are rod-shaped bacteria that have a thin layer of peptidoglycan between two membranes. They are medically significant as many strains can cause infection in humans, including the family Enterobacter... More »

www.reference.com Science Biology

Differences between Gram positive and Gram negative bacteria include the thickness of the cell wall, which is approximately 20 to 30 nanometers thick in Gram positive and 8 to 12 nanometers thick in Gram negative; the am... More »

www.reference.com Science Biology
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Gram-negative bacilli are rod-shaped bacteria that have a thin layer of peptidoglycan between two membranes. They are medically significant as many strains can cause infection in humans, including the family Enterobacter... More »

www.reference.com Science Biology

Different species of bacteria are classified into five categories according to their shapes: cocci, bacilli, vibrios, spirochaetes or spirilla. Cocci are spherical, while bacilli are rod-shaped. Vibrios are shaped like c... More »

www.reference.com Science Biology

Some types of Gram-negative bacteria including Escherichia coli, Vibrio cholerae and Yersinia pestis. These bacteria are responsible for food-borne diseases, cholera and plague, respectively. Many types of Gram-negative ... More »

www.reference.com Science Biology

Gram staining separates bacteria into two classes, Gram-positive and Gram-negative, allowing medical providers to determine an appropriate antibiotic to prescribe a patient, according to Reference.com. The cell wall, whi... More »

www.reference.com Science Biology