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  #1  
Old 2nd January 2011
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Default >> Inilah Bakteri Yang Menggrogoti Kapal Titanic <<

Pada 15 April 1912, Kapal RMS Titanic tenggelam. Sebuah kecelakaan kapal paling tenar sepanjang masa. Kisah kapal yang bangkainya kini terbaring di dasar Laut Atlantik terus mempesona dan menginspirasi banyak orang.

Namun, siapa sangka eksistensi bangkai Titanic sedang terancam, gara-gara bakteri. Para peneliti di Dalhousie University, Halifax, Nova Scotia, Canada telah meneliti bakteri yang menggerogoti Titanic. Itu adalah bakteri pemakan karat.

Menggunakan teknologi DNA, ilmuwan Dahousie, Henrietta Mann dan Bhavleen Kaur, serta peneliti dari University of Sevilla, Spanyol mampu mengidentifikasi spesies bakteri baru yang dikumpulkan dari rusticles, formasi karat yang mirip stalaktit dari bangkai Kapal Titanic.

Bakteri pemakan besi teroksidasi itu bahkan telah diberi nama, Halomonas titanicae. Penemuan bakteri ini punya arti penting dalam upaya mengawetkan bangkai kapal ini.


�Pada 1995, saya memprediksi Titanic bakal bertahan 30 tahun lagi,� kata Henrietta Mann, seperti dimuat situs LiveScience. �Tapi, ini jauh lebih buruk. Umurnya mungkin lebih pendek, 15 atau 20 tahun.�

Bangkai Titanic saat ini ditutupi rusticle yang dibentuk setidaknya oleh 27 bakteri, termasuk Halomonas titanicae. Rusticles memiliki pori-pori yang memungkinkan air melewatinya. Melalui proses yang agak rumit, ia akhirnya akan hancur menjadi bubuk. �Ini adalah proses alam, daur ulang besi kembali ke alam,� kata Mann.


Pasca tenggelam, selama beberapa dekade Titanic menyimpan misteri. Tak ada yang tahu di mana tepatnya lokasi kapal mahsyur itu tenggelam. Bangkai Titanic akhirnya ditemukan oleh ekspedisi gabungan Perancis-Amerika Serikat pada tahun 1985. Bangkai Titanic ditemukan sedikitnya 3,8 kilometer di bawah permukaan laut di 530 kilometer tenggara Newfoundland, Canada.

Dalam 25 tahun sejak penemuannya, bangkai Titanic dengan cepat memburuk. Meski nantinya gagal menyelamatkan Titanic, penemuan bakteri ini punya arti yang sangat penting. Salah satunya, mempercepat pelapukan kapal tua dan rig minyak lawas.


Di sisi lain, penemuan bakteri ini juga akan membantu para ilmuwan mengembangkan cat atau lapisan pelindung untuk menjaga kapal dari bakteri pemakan karat itu. Temuan peneliti akan dipublikasikan 8 Desember 2010 dalam International Journal of Systematic and Evolutionary Microbiology.


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  #2  
Old 2nd January 2011
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Kan yang dibutuhin cuma bakteri nya doang, buat apa diselametin kapalnya juga.

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Old 2nd January 2011
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Kan yang dibutuhin cuma bakteri nya doang, buat apa diselametin kapalnya juga.

maksd nya mungkin buat mencari jalan kluar utk mengawetkan bangkai kapal tsb dari bakteri tsb,makanya mau d teliti gt ndan..
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Old 2nd January 2011
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maksd nya mungkin buat mencari jalan kluar utk mengawetkan bangkai kapal tsb dari bakteri tsb,makanya mau d teliti gt ndan..
Hmm... ada benernya juga sih.
:
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Old 2nd January 2011
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Hmm... ada benernya juga sih.
:
hehe..klau yg ane tankep dari isi artikel nya gt ndan..maap klau salah..
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Old 3rd January 2011
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bantai bakterinya pakkk
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  #7  
Old 3rd January 2011
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bantai bakterinya pakkk
haha..d bantai pake apa ndan?masi dalam penelitian nih..
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  #8  
Old 3rd January 2011
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nice info bos......

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Old 3rd January 2011
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nice info bos......

thnx ndan uda mampir d trit ane..
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  #10  
Old 18th January 2011
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ngeri jgg yaa bakteri nya...bs makan besi...
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