Suillus hypogaeus:第一次记录一个松露Suillus的记录
Carolina G Piña Páez1, Kyle A Gervers1, Jessica A Martin1
1Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon 97331.
Mycologia
|July 8, 2024
概括
一种新的真菌,Suillus hypogaeus,已经被发现. 这种物种是第一个已知的地下生长的Suillus真菌,代表了Boletales顺序内的显著进化发展.
科学领域:
- 菌类学 菌类学是指菌类学.
- 菌类的进化 菌类的进化
- 波莱塔莱斯的分类学
背景情况:
- 属Suillus,是Boletales序列的一部分,包括状 (地表) 形成的真菌.
- 虽然通常在北半球温带森林中发现,但Suillus物种已被引入南半球.
- 与其亲戚Rhizopogon不同,Suillus没有以前描述的低地 (地下),隔离 (在土壤中繁殖) 物种.
研究的目的:
- 为了描述Suillus hypogaeus,这是第一个已知的具有低温的Suillus物种,隔离体.
- 为了确定S. hypogaeus在Suillus属内的遗传学定位.
- 为了研究 hypogeous sporocarp 发育和 Suillus. 宿主协会的进化影响.
主要方法:
- 美国俄勒冈州的真菌脊髓菌的现场采集.
- 体,格勒巴和基底体的形态特征.
- 多位元分子遗传学分析以确定分类学关系.
主要成果:
- 鉴定了Suillus hypogaeus,其特点是白色的染粉红色/紫色和紫色的 gleba.
- 遗传学分析将S. hypogaeus置于spectabilis群中,与Larix专家有关.
- 这一发现表明,在波莱塔莱斯 (Boletales) 中存在低地性脊柱体的独立起源,以及在Suillus中从Larix转移到Pseudotsuga的宿主.
结论:
- Suillus hypogaeus代表了Suillus内部的一种新型血统,其特点是地下的脊柱体.
- 这一发现突显了波莱塔内低地性脊柱体的融合进化.
- 该物种展示了Larix和Pseudotsuga之间的独立宿主转移,扩大了我们对Suillus生态和进化的理解.
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