Kerala scientists identify anti-cancer properties in a fungus used for bio-control in agriculture

April 3, 2015

Apr 3: Cancer is a deadly disease characterised by an uncontrolled growth of cells resulting in a tumour. Scientists for many years now have tried to find methods and therapies to prevent and treat cancer. Scientists from Kerala are now trying to design treatment methods using the anti-cancer properties of a rare genius of medicinal fungus that is widely used as a pesticide in agriculture.

Kerala scientistsThe Hindu reported that scientists from the Kerala Agricultural University (KAU) and the Regional Cancer Centre (RCC) will be working in collaboration to ascertain the anti cancer properties of the fungus.T. Santhosh Kumar, Assistant Professor, Regional Agricultural Research Station, Pilicode first reported the fungus in 2013, while conducting research managing the coconut root grub ( Leucopholis coneophora ) attacking trees in Kannur, Kozhikode, and Kasaragod districts.

This fungus belongs to the Cordyceps genus that is also known as caterpillar fungus. Initial studies confirmed that the fungus exhibits tumour suppressing properties and also inhibits the proliferation of lung cancer cells.The Hindu reported, KAU Vice Chancellor P. Rajendran saying ‘We will also explore the possibility of using the species to develop nutraceuticals with immunity-enhancement, anti-aging, and anti-fatigue properties.’

However, a major challenge faced in the research is culturing the fungus. This species of the fungus requires the grub or its larva as host. The spore of the fungus germinates within the body of the grub and then kills the host and mummifies it. The fruiting body of the fungus then emerges from the corpse. It is effective in natural control of the coconut root grub, as the fungus tunnels into the trunk and feeds on the roots. The scientists are now in search of alternative host species that enable easier multiplication of the fungus.

This family of fungi has been used widely in oriental medicine as a rare and exotic medicinal fungus. It is known to have a broad range of pharmacological benefits on the human liver, kidneys, heart, and immune system. It was reported that some species of cordyceps fetch a price of more than Rs.5,00,000 per kg, and it would be beneficial for the farmers where the fungus has been reported. The scientists are now trying to understand the ecology and distribution of the fungus across Western Ghats.

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Agencies
March 16,2020

New Delhi, Mar 16: A recent survey across 140 districts of the country shows that about 54 per cent of Indians are finding travelling to be unsafe as the deadly coronavirus (COVID-19) pandemic sweeps globally.

The big worry that people have is community transmission, something that researchers from around the world have approximated at 10 per cent of total infections and more common in places like Wuhan in China, South Korea, Iran and Italy.

The months of March to June have historically been high travel season for most Indians, largely due to the summer vacations in schools. "But it seems that Indians do not want to take a chance with this rather scary virus and are either cancelling or postponing their travel plans," concluded the survey by LocalCircles.

The survey gathered more than 22,000 responses from participants in tier one, two and three cities. It said 48 per cent Indians plan to cancel their international business travel for the next four months.

Besides, nearly 38 per cent of respondents said they had to pay cancellation fee to the website, travel agent, airline or railways.

"These are testing times for the entire travel and tourism industry -- airlines, hotels, travel agents as well as small tour and taxi operators. The best solution at this point is to adjust cost structures, stay flexible and work with a collective approach to minimise the period of impact to both citizens and business," said LocalCircles.

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Agencies
March 11,2020

With the sales of chicken and mutton going down due to the coronavirus scare, it is the humble 'Kathal' (jackfruit) is emerging as an acceptable alternative.

'Kathal' is now selling at ₹120 per kilogram -- an increase of more than 120 per cent over the normal ₹50 per kilogram.

The jackfruit, in fact, is now priced higher than chicken which is selling at ₹80 per kilogram due to poor demand.

"It is better having a 'Kathal' biryani instead of a mutton biryani. It tastes reasonably good. The only problem is that 'Kathal' has been sold out in the vegetable market and is difficult to find," said Purnima Srivastava whose family savours non-vegetarian food on a regular basis.

The corona scare has hit poultry business so hard and the Poultry Farm Association recently organized a Chicken Mela in Gorakhpur to dispel the misconception that birds are carriers of the deadly virus.

"In fact, we gave away plateful of chicken dishes for Rs 30 to encourage people to savour the delicacies. We cooked one thousand kilograms of chicken for the Mela and the entire stock was sold out," said Vineet Singh, head of the Poultry Farm Association.

However, the Mela did not do much to dispel the fears about chicken, mutton or fish consumption amid the virus outbreak.

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Agencies
June 19,2020

While coughing, fever and difficulty in breathing are common symptoms of COVID-19, a new case study has found that pink eye is also a reason to be tested for the disease.

The study, published in the Canadian Journal of Ophthalmology, determined that conjunctivitis and keratoconjunctivitis can also be primary symptoms of COVID-19.

The researchers noted that in March, a 29-year-old woman arrived at the Royal Alexandra Hospital's Eye Institute of Alberta with a severe case of conjunctivitis and minimal respiratory symptoms.

After the patient had undergone several days of treatment with little improvement -- and after it had been determined that the woman had recently returned home from Asia -- a resident ordered a COVID-19 test.

The test came back positive, according to the researchers.

"What is interesting in this case, and perhaps very different to how it had been recognised at that specific time, was that the main presentation of the illness was not a respiratory symptom. It was the eye," said Carlos Solarte, an assistant professor at the University of Alberta in Canada.

"There was no fever and no cough, so we weren't led to suspect COVID-19 at the beginning. We didn't know it could present primarily with the eye and not with the lungs," Solarte said.

Academic studies at the outset of the pandemic identified conjunctivitis as a secondary symptoms in about 10 to 15 per cent of COVID-19 cases, he said.

Since then, scientists have gained greater knowledge of how the virus can transmit through and affect the body's mucous membrane system, of which the conjunctiva -- the clear, thin membrane that covers the front surface of the eye -- is an extension.

While the finding provides important new health information for the public, it also makes eye exams more complicated for ophthalmologists and staff, the researchers noted.

"The patient in this case eventually recovered well without any issues. But several of the residents and staff who were in close contact with the patient had to be under quarantine," said Solarte.

"Fortunately, none who were involved in her care also tested positive," he said.

Patients coming into an eye clinic with conjunctivitis and keratoconjunctivitis are now treated as potential cases of COVID-19 and extra precautions are taken by staff, according to the researchers.

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