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Zebra Doves and Hidden Yeast Concerns

Zebra doves may be charming pets but can harbor harmful yeasts.

Saowakon Indoang, Sanicha Chumtong, Sakaoporn Prachantasena, Ratchakul Wiriyaprom, Komwit Surachart, Rattanaruji Promwised, Ruttayaporn Ngasaman

― 6 min read


Zebra Doves: Yeast Risks Zebra Doves: Yeast Risks Exposed affecting both birds and humans. Zebra doves may carry harmful yeasts
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The zebra dove, native to southern Thailand, is known for its delightful cooing sounds. These birds have found a special place in many homes, often competing for the title of “Best Singer” among pet birds. The breeding of zebra doves has become quite the business, with farmers in regions like Songkhla province producing thousands of these vocal artists each month. With more than 40 large farms in the Chana district alone, it's safe to say that the zebra dove is a hit!

These farmers usually keep their birds close, often placing cages right inside their homes. After all, who wouldn't want to enjoy sweet cooing sounds all day long? The demand for zebra doves is not just local; farmers export these feathered friends to countries like Indonesia, Malaysia, and Brunei.

Yeast Infections: A Hidden Concern

While zebra doves make great pets, they can also be home to various types of YEASTS. Yes, those tiny organisms that you probably don’t want to think about too much. Different types of yeasts can infect pet birds, and some of these can be harmful. For example, Candida species and Aspergillus are not just names of fancy desserts; they are yeasts that can make our feathery friends sick.

When yeast gets a bit too comfy in a bird's body, it can lead to all sorts of problems. Some birds might show symptoms quickly and sadly pass away, while others could suffer from long-term issues like weight loss or an upset stomach. In fact, experts have found bad yeasts in all sorts of birds, including parrots and pigeons. Creepy, right?

So you might wonder, what happens when a bird's droppings are involved? Well, bird droppings can spread these yeasts into the environment. Some yeasts can even affect humans! So, if you are a proud owner of a zebra dove, keep an eye out for any unusual signs of illness.

Finding Yeasts: The Study Begins

In a recent study, researchers set out to investigate some yeast samples found in zebra dove droppings. They started by isolating these sneaky yeasts from the droppings, which were initially thought to be harmful from the Cryptococcus group. They took special care to store these samples correctly and used various tests to learn more.

The first step involved growing the yeasts on a special medium. They used growth techniques to see how the yeast looked and behaved. Special stains were applied to the yeast to help visualize particular features, such as whether they had a capsule-like a protective shell.

Confirming Their Identity

The researchers used a cool method called polymerase chain reaction (PCR) that makes it easier to identify the yeasts. This method allows scientists to find specific DNA sequences that reveal what kind of yeast they are dealing with. In their investigation, it turned out that these yeast samples were not from Cryptococcus, as they initially suspected!

With the PCR tests revealing different results, this led them to conclude that the yeasts belonged to a different group entirely. They were on the trail of Hyphopichia burtonii, a type of yeast that doesn’t have a strong reputation for causing illness, but could still be a potential troublemaker.

Tests: What’s the Damage?

Next on the list was testing how these yeasts reacted to different antifungal drugs. You might think of Antifungals as the superheroes of the yeast world. Researchers checked how well the yeasts fought back against antifungal heroes like Amphotericin B and Fluconazole.

The results were quite interesting! The yeasts showed excellent weakness to amphotericin B but were more resistant to fluconazole and other common antifungals. Think of it as a game of tug-of-war, where amphotericin is the strong contender and fluconazole struggles to get a grip.

A Peek into the Genome

But the researchers didn’t stop there. They decided to take a closer look at the genetic makeup of Hyphopichia burtonii. Using a fancy technique called whole-genome sequencing, they were able to read the genetic blueprint of this yeast.

They crunched the numbers and gathered data from the genome, finding that it contained various important genes. Some of these genes play roles in helping the yeast survive in tough conditions, while others are involved in processes like protein production. In simple terms, the yeast has its own set of tools to tackle challenges.

Characteristics of Hyphopichia burtonii

When it comes to describing Hyphopichia burtonii, it’s pretty straightforward: it's a small, oval yeast that likes to form colonies that are somewhat creamy in color. They have shown some neat skills, like thriving in challenging conditions and possibly being beneficial in making bread and dairy products.

The yeast is pretty well adapted to living in strange environments, which might explain why it can sometimes be found in unexpected places-like fish feed or even among our feathered friends!

Human Health Risks

Now, you may be wondering what this means for us humans. While Hyphopichia burtonii isn’t the most famous yeast out there, it has been linked to occasional infections in people, especially those whose immune systems aren’t strong. The presence of this yeast in zebra doves could potentially pose a public health risk since humans can easily come into contact with these birds and their droppings.

It’s a reminder to practice good hygiene and take care when handling your pet birds or their cages. A little extra care goes a long way, especially if you have friends or family members who might be more vulnerable to infections.

The Bottom Line

In summary, zebra doves are not just charming pets; they can also be hosts to yeasts that may have implications for health. The research on Hyphopichia burtonii highlights the importance of keeping an eye on the feathered friends we care about and understanding the hidden risks they might bring along.

So, if you're considering bringing home a zebra dove, you might want to brush up on some yeast knowledge. With a dash of care and attention, you can enjoy the sweet melodies of your dove while staying ahead of any potential health issues. After all, it’s always better to be safe than sorry, especially when it comes to our delightful companions!

Original Source

Title: Whole-genome sequencing of Hyphopichia burtonii from isolated yeast recovered from zebra dove droppings in Thailand

Abstract: This study aimed to characterise zoonotic yeasts from zebra dove (Geopelia striata) droppings in small farms in Songkhla province, Thailand. Four contaminated isolates were found with morphology and biochemical test results like those of Cryptococcus spp., but they exhibited different results from the positive control in nested polymerase chain reaction (PCR); the first step was negative, but the nested PCR step was positive. All isolates were subjected to antifungal susceptibility testing. The resistance isolate (Tip11) was subjected to whole genome sequencing. Only the Tip11 isolate showed high resistance to itraconazole and ketoconazole, with minimum inhibitory concentrations of >32.0 and 32.0 g/mL, respectively, corresponding to high levels of minimum fungicidal concentrations for both drugs (>32 g/mL). Consequently, Tip11 was selected as a representative of the contaminated isolates and subjected to whole-genome sequencing analysis. The results identified the Tip11 isolate as Hyphopichia burtonii (99.30% identity), with a genome length of 12,360,159 bp, a GC content of 35.16%, and 2,146 protein groups closely related to the Saccharomycetaceae family. This is the first report of H. burtonii in zebra doves in Thailand. This yeast has been previously identified as a cause of human infection leading to peritonitis in Thailand, and its resistance to antifungal drugs may pose a public health risk. Therefore, the application of biosecurity measures on farms, such as regular removal of droppings and cage sanitisation, should be implemented according to good agricultural practices. Moreover, further characterisation and functional analysis of the proteins identified should be considered.

Authors: Saowakon Indoang, Sanicha Chumtong, Sakaoporn Prachantasena, Ratchakul Wiriyaprom, Komwit Surachart, Rattanaruji Promwised, Ruttayaporn Ngasaman

Last Update: 2024-11-23 00:00:00

Language: English

Source URL: https://www.biorxiv.org/content/10.1101/2024.11.22.624822

Source PDF: https://www.biorxiv.org/content/10.1101/2024.11.22.624822.full.pdf

Licence: https://creativecommons.org/licenses/by/4.0/

Changes: This summary was created with assistance from AI and may have inaccuracies. For accurate information, please refer to the original source documents linked here.

Thank you to biorxiv for use of its open access interoperability.

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