Table_1_Diverged and Active Partitiviruses in Lichen.XLSX

The lichen is a microbial consortium that mainly consists of fungi and either algae (Viridiplantae) or cyanobacteria. This structure also contains other bacteria, fungi, and viruses. However, RNA virus diversity associated with lichens is still unknown. Here, we analyzed RNA virus diversity in a lichen dominated by fungi and algae using dsRNA-seq technology and revealed that partitiviruses were dominant and active in the microbial consortium. The Partitiviridae sequences found in this study were classified into two genera, which have both plant- and fungi-infecting partitiviruses. This observation suggests that the lichen provides an opportunity for horizontal transfer of these partitiviruses among microbes that form the lichen consortium.

地衣（lichen）是一种主要由真菌与藻类（Viridiplantae）或蓝细菌构成的微生物共生联合体。该共生结构中还包含其他细菌、真菌及病毒。然而，目前学界对与地衣相关的RNA病毒多样性仍知之甚少。本研究采用双链RNA测序（dsRNA-seq）技术，对以真菌和藻类为优势类群的地衣中的RNA病毒多样性展开分析，结果显示双分病毒（partitivirus）在该微生物共生联合体中占据优势且具有活性。本研究中发现的双分病毒科（Partitiviridae）序列可划分为两个属，这两个属均包含侵染植物与真菌的双分病毒。上述观测结果表明，地衣为构成该共生联合体的各类微生物之间的此类双分病毒的水平转移提供了有利条件。