Ecology of Barophilic Deep-sea Bacteria

abyssal holothurian abyssal plain abyssal sediments acridine orange amphipod amphipod gut animals bacterial number bacterial population barophilic bacteria boxcore sediments BRARY CALIFORNIA cell cfu/ml collected colony-forming units colony-forming units cfu culturable bacteria decompressed deep-sea bacteria Demerara abyssal plain depth digestive tract diluted elevated hydrostatic pressure epifluorescent microscopy fecal pellets filter gel pour tubes glutamic acid Growth curves growth studies gut contents section gut flora gut sections gut suspension holothurian incubated at 3-5°C incubation periods ingested inoculated isolated Jannasch JEAN CHARCOT microbial activity microbial populations microflora number of bacteria number of culturable nutrient observed organic matter particulates polar pressurized transfer system psychrophilic Puerto Rico Trench reactor retrieved ribosomal RNA SAN DIEGO SAN DIEGO LIBRARY seawater sediment samples sediment traps silica gel SITY specimens sterile strain W145 substrate surface sediment syringe temperature total bacterial Total colony-forming units total number UNIV UNIVERSITY DIEGO Vibrio/Aeromonas Walvis Walvis Ridge Wirsen Yayanos