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関連する概念動画

Bacterial Phylum Tenericutes01:24

Bacterial Phylum Tenericutes

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The phylum Tenericutes, which includes the single class Mollicutes, comprises bacteria that lack cell walls. The term "Mollicutes" derives from the Latin word mollis, meaning "soft." These organisms are among the smallest known and are commonly referred to as mycoplasmas due to the prominence of the genus Mycoplasma, which includes well-known human pathogens. Despite their inability to stain gram-positively (a result of their lack of cell walls), mycoplasmas are phylogenetically related to the...
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Plasmodesmata01:20

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In a multicellular organism, cells must communicate to work together in a coordinated manner. One way that cells communicate is through direct contact with other cells. The points of contact that connect adjacent cells are called intercellular junctions.
Intercellular junctions are a feature of fungal, plant, and animal cells. However, different types of junctions are found in different kinds of cells. Intercellular junctions found in animal cells include tight junctions, gap junctions, and...
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Plasmodesmata02:32

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The organs in a multicellular organism’s body are made up of tissues formed by cells. To work together cohesively, cells must communicate. One way that cells communicate is through direct contact with other cells. The points of contact that connect adjacent cells are called intercellular junctions.
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Protists are diverse eukaryotic microorganisms that lack the specialized tissues of plants and animals and the chitinous cell walls of fungi. Their early divergence within Eukarya resulted in structural, functional, and ecological diversity. They are classified into supergroups such as Archaeplastida, Excavata, Amoebozoa, Rhizaria, Alveolata, and Stramenopiles, determined through genetic analysis and structural similarities.Structural and Functional AdaptationsProtists have various adaptations...
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Bacterial Phylum Planctomycetes01:26

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Planctomycetes are a group of morphologically distinct bacteria predominantly classified into two orders: Planctomycetales and Brocadiales. These gram-negative bacteria exhibit unique features, including division by budding and the presence of stalks or appendages. Their cells are often found in rosette arrangements, and they are notable for possessing an S-layer in their cell envelope, which is relatively uncommon among bacteria. Additionally, Planctomycetes frequently exhibit intracellular...
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Diversity of Protists II01:27

Diversity of Protists II

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Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
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Updated: Jan 14, 2026

Identification of Plasmodesmal Localization Sequences in Proteins In Planta
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フィトプラズマ：入門

Mattia Tabarelli1, Katrin Janik2

  • 1Functional Genomics, Laimburg Research Centre, Auer/Ora, Italy. Mattia.Tabarelli@laimburg.it.

Methods in molecular biology (Clifton, N.J.)
|January 13, 2026
PubMed
まとめ
この要約は機械生成です。

この章では、フィトプラズマの発見、分類、研究の進化をカバーするフィトプラズマの生物学を紹介します。「フィトプラズマ：方法とプロトコル」の更新されたエディションでは、新しい分子技術と復活した古典的な方法を強調しています。

キーワード:
比較ゲノム学検出機能的特徴づけ分子診断ベクター–病原体相互作用

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科学分野:

  • 植物病理学
  • 微生物学
  • 分子生物学

背景:

  • フィトプラズマは、細胞壁を持たない植物病原性細菌であり、世界中でかなりの農業的損失を引き起こしています。
  • フィトプラズマの生物学を理解することは、効果的な病害管理戦略を開発するために不可欠です。
  • 歴史的な研究は、フィトプラズマの分類と検出における顕著な進歩につながりました。

研究 の 目的:

  • フィトプラズマの生物学とその歴史的研究の軌跡に関する包括的な概要を提供すること。
  • 「フィトプラズマ：方法とプロトコル」の第3版を紹介し、その更新された内容と方法論を強調すること。
  • 後続の章で提示される詳細な実験プロトコルの文脈を設定すること。

主な方法:

  • 歴史的な文献および分類データベースのレビュー。
  • 最近の分子生物学およびシーケンス技術の進歩の分析。
  • 「フィトプラズマ：方法とプロトコル」の異なる版間の方法論の比較。

主要な成果:

  • フィトプラズマの研究は、その最初の発見以来、著しく進化してきました。
  • フィトプラズマの現在の分類学的地位は、進行中の科学的調査を反映しています。
  • 第3版では、新しい分子技術と確立された古典的なアプローチを統合しています。

結論:

  • フィトプラズマの研究は、技術革新と古典的な方法の両方の恩恵を受けるダイナミックな分野です。
  • この章は、フィトプラズマの研究に関わる研究者にとって基本的な理解を提供します。
  • この版の更新されたプロトコルは、さらなる研究と病害制御の取り組みを促進するでしょう。