建築 的 な 免疫: アリ は 巣 の ネットワーク を 変化 さ せ て 疫病 を 防ぐ
Luke Leckie1,2,3, Mischa Sinha Andon1, Katherine Bruce1
1School of Biological Sciences, University of Bristol, Bristol, UK.
まとめ
アリのような社会的な昆虫は 病気と戦うために 巣の構造を変えることができます Lasius nigerアリの病原体への曝露は 病気の伝播を減少させる変化を引き起こし 建築的な免疫性を示しました
科学分野:
- エコロジー
- 流行病学について
- 動物 の 行動
背景:
- 動物集団の空間構造は 社会的相互作用や病気の伝播に影響します
- 地域環境の変更は 疫病のリスクを軽減するための戦略です
研究 の 目的:
- 病原体に反応して 巣の構造を変化させるか 調べる
- 病気の伝染に対するこれらの建築的変更の影響を決定する.
主な方法:
- Lasius nigerの巣掘りグループに コントロールまたは病原体で処理された個体を導入する.
- 先進的なイメージング技術を用いて3次元巣の形態変異を監視する.
- 改造された巣構造内の病気伝染の動態を分析するためにシミュレーションを使用します.
主要な成果:
- 病原体への曝露は アリの巣の構造に大きな変化をもたらし 成長が加速し 入り口の距離が伸びました
- 巣網のトポロジーは,室の中央性が低下したなどの伝送阻害的な修正を示した.
- シミュレーションにより これらの建築的適応が 病気の伝染を効果的に減少させたことが確認されました
結論:
- ラシウスニガーアリは 建築的な免疫力を発揮し 巣を積極的に改造して 病気に対する耐性を高めます
- 巣の構造は 社会的昆虫コロニーの 流行リスクの管理に 重要な役割を果たします
- 空間的組織戦略を活用することは 社会的な動物における病気の感受性を低下させるのに有効な方法である.
関連する概念動画
The Antiviral System of Bacteria and Archaea: CRISPR
617
CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats is a adaptive immune system found in bacteria and archaea that protects against viral infections. This system enables prokaryotic cells to identify, remember, and neutralize foreign genetic elements, primarily bacteriophages, by storing fragments of the invader’s DNA as a genetic memory.The CRISPR immune response begins during an initial infection. Cas (CRISPR-associated) proteins play a central role in this...
617
Adherens Junctions
6.1K
Strong contact points between adjacent cells anchor them to each other, forming tissues. Such anchoring junctions are of two types – adherens junctions and desmosomes. Adherens junctions are abundant in tissues such as epithelium and endothelium, forming a continuous zone of adhesion called the adhesion belt. In other tissues, such as heart muscle, they appear as clusters, linking the cells to produce coordinated heart muscle contraction.
Adherens Junctions are Dynamic
Adherens Junctions are Dynamic
6.1K
Defense Against Bacterial Pathogens
2.6K
The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
2.6K
Defenses Against Pathogens and Herbivores
29.5K
Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper immune system, have developed an array of constitutive and inducible defenses to fend off these attacks.
29.5K
Transduction
1.2K
Among the three main modes of HGT—transformation, conjugation, and transduction—transduction is unique in that it is mediated by bacteriophages, or bacterial viruses.Transduction occurs in two ways. Generalized transduction occurs during the lytic cycle of a bacteriophage infection. In this process, bacteriophages infect bacterial cells, replicate within them, and ultimately cause cell lysis, releasing newly assembled virions. Occasionally, random fragments of the bacterial genome...
1.2K


