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A Global Comparison of the Bacterial...

Schaerer, Laura G.

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A Global Comparison of the Bacterial Communities of Bilge Water, Boat Surfaces, and External Port Water.

Record Type:	Electronic resources : Monograph/item
Title/Author:	A Global Comparison of the Bacterial Communities of Bilge Water, Boat Surfaces, and External Port Water./
Author:	Schaerer, Laura G.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	121 p.
Notes:	Source: Masters Abstracts International, Volume: 81-09.
Contained By:	Masters Abstracts International81-09.
Subject:	Microbiology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27547936
ISBN:	9781392852439

A Global Comparison of the Bacterial Communities of Bilge Water, Boat Surfaces, and External Port Water.
Schaerer, Laura G.

A Global Comparison of the Bacterial Communities of Bilge Water, Boat Surfaces, and External Port Water. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 121 p.

Source: Masters Abstracts International, Volume: 81-09.

Thesis (M.S.)--Michigan Technological University, 2019.

This item must not be sold to any third party vendors.

Each year, hundreds of thousands of boats travel across the globe carrying over 80% of the world's cargo. With all of these boats traveling all over the world, it is important to understand the organisms which live in and on the boats. This study looks at the extent to which bacteria can colonize ships. The potential for microbes from the water to colonize boats is an understudied, yet important topic which affects ecosystems and human health. Because of increasingly affordable metagenomic tools, it is now possible to characterize microbial communities in more detail than has been affordable and or practical in the past. Ballast water is intentionally taken onto a ship to increase stability and safety, and it has been shown to be a key vector in the spread of some non-native species. Because bacteria are ubiquitous in most environments, they have potential to be transported on ships in additional ways. Bilge water collects at the bottom of all boats and is another potential vector for the spread of non-native species. Additionally, bacteria frequently colonize underwater surfaces, making the outside surfaces of a boat another likely location for colonization by water microbes. Using a large data set collected from 20 ports in five regions of the world (Asia, Europe, east and west coasts U.S.A. and Great Lakes U.S.A.) we explore how the boat microbial community is similar to the water. We do this with microbial diversity analysis and source tracking software. The results from the source tracking software showed on average 40% of the bilge bacterial community and 52% of the hull bacterial community were sourced from the water. This suggests that microbes from the port water colonize a boat and have potential to travel with that boat. Source tracking analysis attributed an average of 60% of the bilge bacterial community and 48% of the hull bacterial community to unknown sources. To further quantify these unknown sources, we investigated air and dock as potential sources to the boat microbiome. After analysis with source tracking software, we showed that air contributed minimally to the boat microbiome (<1%) while dock contributed to the hull and transom of the boat (14-64%). This suggests that the dock may be an underappreciated source of microorganisms to the boat microbial community. In conclusion, this study shows that the microbial community of a boat is strongly influenced by its surroundings. We show that several sources (water, dock and air) contribute to the boat microbial community.

ISBN: 9781392852439Subjects--Topical Terms:

536250
Microbiology.
Subjects--Index Terms:

16S

A Global Comparison of the Bacterial Communities of Bilge Water, Boat Surfaces, and External Port Water.
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245 1 0 $a A Global Comparison of the Bacterial Communities of Bilge Water, Boat Surfaces, and External Port Water.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2019
300 $a 121 p.
500 $a Source: Masters Abstracts International, Volume: 81-09.
500 $a Advisor: Techtmann, Stephen.
502 $a Thesis (M.S.)--Michigan Technological University, 2019.
506 $a This item must not be sold to any third party vendors.
520 $a Each year, hundreds of thousands of boats travel across the globe carrying over 80% of the world's cargo. With all of these boats traveling all over the world, it is important to understand the organisms which live in and on the boats. This study looks at the extent to which bacteria can colonize ships. The potential for microbes from the water to colonize boats is an understudied, yet important topic which affects ecosystems and human health. Because of increasingly affordable metagenomic tools, it is now possible to characterize microbial communities in more detail than has been affordable and or practical in the past. Ballast water is intentionally taken onto a ship to increase stability and safety, and it has been shown to be a key vector in the spread of some non-native species. Because bacteria are ubiquitous in most environments, they have potential to be transported on ships in additional ways. Bilge water collects at the bottom of all boats and is another potential vector for the spread of non-native species. Additionally, bacteria frequently colonize underwater surfaces, making the outside surfaces of a boat another likely location for colonization by water microbes. Using a large data set collected from 20 ports in five regions of the world (Asia, Europe, east and west coasts U.S.A. and Great Lakes U.S.A.) we explore how the boat microbial community is similar to the water. We do this with microbial diversity analysis and source tracking software. The results from the source tracking software showed on average 40% of the bilge bacterial community and 52% of the hull bacterial community were sourced from the water. This suggests that microbes from the port water colonize a boat and have potential to travel with that boat. Source tracking analysis attributed an average of 60% of the bilge bacterial community and 48% of the hull bacterial community to unknown sources. To further quantify these unknown sources, we investigated air and dock as potential sources to the boat microbiome. After analysis with source tracking software, we showed that air contributed minimally to the boat microbiome (<1%) while dock contributed to the hull and transom of the boat (14-64%). This suggests that the dock may be an underappreciated source of microorganisms to the boat microbial community. In conclusion, this study shows that the microbial community of a boat is strongly influenced by its surroundings. We show that several sources (water, dock and air) contribute to the boat microbial community.
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650 4 $a Ecology. $3 516476
650 4 $a Hydrologic sciences. $3 3168407
650 4 $a Transportation. $3 555912
653 $a 16S
653 $a Bilge water
653 $a Shipping
653 $a Boat travel
653 $a Microbial communities
653 $a Ballast water
653 $a Boat microbiome
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690 $a 0388
690 $a 0329
690 $a 0709
710 2 $a Michigan Technological University. $b Biological Sciences. $3 1678238
773 0 $t Masters Abstracts International $g 81-09.
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791 $a M.S.
792 $a 2019
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27547936