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ビデオ・アーカイブ

ビデオ・アーカイブを日本生物物理学会へ移管しました。
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ビデオ一覧

*本ページでは2018年3月31日時点で登録されていたビデオのみが表示されます

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2015.08.06

真核生物
川底の情景

種名:Euglena, Biddulphia or Pleurosira
AL-Museum AL-Museum

沢 山の粒子やその凝集体、砂のカケラ、植物の破片などの間を忙しく動く生き物たち。バクテリアは凝集体の表面にも沢山ついているが自由に外も泳ぎ回ってい る。それを食べる大小の鞭毛虫は特に活発だが、他にも小さな珪藻が沢山いる。箱を沢山並べたようなイタケイソウの仲間もいる。川の底には、顕微鏡で眺める と、とても豊かな自然が広がっている。

AL-Museum

2015.08.06

真核生物
ミドリムシとその棲み家

種名:Euglena (Euglena viridis?)
AL-Museum AL-Museum

大きな粒子の凝集体にミドリムシが出たり入ったりしている。ここは、彼らの居心地のいい棲み家なのかも知れない。

AL-Museum

2015.08.06

真核生物
4個で一つの生活単位

種名:Scenedesmus quadricauda
AL-Museum AL-Museum

イカダモと呼ばれる藻類の仲間で、ここでは4つの細胞が横に連なって群体をつくっている。普段は浮遊生活をするがここでは粒子に引っ掛かり動かない。

AL-Museum

2015.08.01

その他
Part 1: Biology of Plant Virus Infection

Donald Danforth Plant Science Center Roger Beachy

This seminar describes the cell and molecular biology of plant virus infection. The first lecture will discuss how virus replication centers are set up in plants and how viruses use host cell mechanisms to facilitate cell to cell movement and eventual pathogenesis. See more at http://www.ibioseminars.org

2015.08.01

その他
Part 2: Genetic Engineering for Virus Resistance in Plants

Donald Danforth Plant Science Center Roger Beachy

In the second part of the lecture, Beachy explains how different biotechnology strategies can be used to produce crops resistant to specific viral infections. See more at http://www.ibioseminars.org

2015.07.29

その他
Part 2: Leishmania spp and Leishmaniasis

種名:Trypanosoma cruzi
The University of Maryland Norma Andrews

In the second part of this lecture, I will present background material on Leishmania, the intracellular protozoan parasites responsible for severe human pathology in several parts of the world. I will discuss the main disease forms, the history of identification of the causative agent and form of transmission, and recent discoveries that established important concepts in our understanding of this increasingly serious infectious disease. See more at http://www.ibioseminars.org

2015.07.29

その他
Part 3: Strategies for Cell Invasion and Intracellular Survival

種名:Trypanosoma cruzi
The University of Maryland Norma Andrews

In the third part of this lecture, I will discuss current work from our laboratory on mechanisms used by the intracellular parasites Trypanosoma cruzi and Leishmania to interact with mammalian cells. In addition to clarifying specific molecular strategies used by these parasites to infect and survive within host cells, these studies also led, in some instances, to unexpected insights on novel pathways regulating mammalian cell function. See more at http://www.ibioseminars.org

2015.07.29

原核生物
Part 1: Bacterial pathogenesis: the Listeria paradigm

種名:Listeria
Pasteur Institute Pascale Cossart

Cossart begins her talk with an overview of microbiology and then focuses on the bacterium Listeria monocytogenes, a food-borne, intracellular pathogen. Cossart explains how Listeria enter epithelial cells, move around inside cells, and spread between cells. She describes how her lab identifed Listeria virulence genes by comparing the sequence of a non-pathogenic species of Listeria with the sequence of L. monocytogenes. They found that Listeria uses a wide variety of strategies to infect and proliferate within its host.

2015.07.29

原核生物
Part 2: Exploring "New Microbiology" with Listeria monocytogenes

種名:Listeria
Pasteur Institute Pascale Cossart

In Part 2, Cossart describes how modern molecular and cell biology techniques have yielded new concepts in microbiology. For example, small non-coding RNAs that are differentially expressed and necessary for virulence have been identified. Short and long antisense RNAs with multiple regulatory functions also have been found. It seems likely that these, and other newly identified mechanisms of bacterial regulation, may prove common to different bacterial species.

2015.07.29

原核生物
Part 3: Cell biology and infection: lessons from Listeria

種名:Listeria
Pasteur Institute Pascale Cossart

In her final talk, Cossart reviews the many cellular processes impacted during infection with Listeria. She successively discusses activation of clathrin-mediated endocytosis during bacterial entry, nucleation of actin comet-tails by bacterial ActA, post-translational modifications during infection (in particular deSUMOylation), mitochondrial targeting, and finally chromatin remodeling and epigenetic regulation during infection. Listeria is a true cell biologist, manipulating all aspects of cell function.

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