Unexpected Guests in Thailand's Floral World
While most people picture bees and butterflies when they think of a flower, a bustling micro‑community of fungi lives in the same delicate structures. A recent investigation by scientists from Chiang Mai University and Kasetsart University has lifted the veil on this invisible world, revealing sixteen previously unknown species of the dark, yeast‑like genus Aureobasidium thriving inside the blossoms of northern Thailand.
The Fieldwork Behind the Find
During the spring of 2024 the research team trekked across the provinces of Chiang Mai and Phayao, gathering flowers from thirty‑one different plant species. Their collection ranged from ornamental favorites such as bougainvillea and the maiden’s palm to a variety of wild natives. Each specimen was dissected meticulously, with samples taken from pistils, stamens, pollen grains and nectar glands. From these tiny fragments the scientists succeeded in culturing fifty‑four fungal isolates.
Sorting the Similar
At first glance many of the isolates looked alike under the microscope, a reminder that morphology alone can be deceptive. To untangle the relationships, the team combined DNA sequencing of five genetic markers with detailed observations of colony colour, growth temperature, and nutrient preferences. This multi‑layered approach allowed them to separate closely related strains and confirm that forty‑two isolates represented sixteen brand‑new species.
Names That Tell Stories
Each new species received a name that reflects either its botanical host or the region where it was discovered. For instance, Aureobasidium bougainvilleae was isolated from bougainvillea flowers, while A. catharanthi came from the maiden’s palm (Catharanthus roseus). Two taxa were christened in honour of Thai mycologists—A. saisamorniae and A. savitreeae—as a tribute to their contributions to fungal research in the country.
Why These Tiny Organisms Matter
The genus Aureobasidium is known for its versatility; members have been found in water, on human skin, and even in icy habitats. Some produce pigments, enzymes, or bioactive compounds with potential industrial or pharmaceutical applications. By expanding the catalogue of species that inhabit tropical flowers, the study opens new avenues for exploring novel metabolites that could be harnessed for biotechnology, agriculture, or medicine.
Broader Implications
Beyond practical uses, the discovery underscores how much biodiversity remains undocumented, even in well‑studied ecosystems like flower communities. It also highlights the importance of integrating classical taxonomy with modern molecular tools to capture the full spectrum of life hidden in plain sight.
Source: https://scientias.nl/zestien-nieuwe-schimmelsoorten-ontdekt-in-thaise-bloemen/#respond