Chitta Ranjan Deb

Nagaland University, Lumami 798627 · Department of Botany

The state of Nagaland is blessed with rich culture, unique communities, and traditional knowledge and is a part Indo-Burma Biodiversity Hotspots region in India. Wild legumes have an integral role in different aspects of livelihood of Nagas as medicines, agro-forestry, customs and traditions and food. This paper performed a literature survey on dif...

Wild legumes are widely distributed and better adapted to extreme agro-climatic conditions because of their soil microbiota. In the present study, Root Nodulating Bacteria (RNB) were isolated from wild legumes and analysed for their abiotic stress tolerant and Plant Growth Promoting Traits (PGPT). Rhizobial strains were identified based on their 16...

Edited by: Dr P. Bhattacharyya A B S T R A C T Siderophores are iron-chelating compounds produced by various fungi, yeast, bacteria, and a few plants, having significant potential in biocontrol activities. The success of siderophore producing bacteria as biocontrol agents depend on multiple factors, including their affinity for iron, quantity of si...

In soils polluted with heavy metals, plant growth promoting rhizobacteria (PGPR) with heavy metal tolerance can aid plants to adapt to heavy metal contaminated conditions. Heavy metal tolerant rhizobacteria were isolated from Musa rhizosphere growing the Tsurang Riverbank, Nagaland, India, a coal mining area. A total of 26 bacterial isolates/strain...

Orchidaceae, one of the prominent angiosperm families, is widely recognized for their ornamental appeal. Uses of its many species are recorded in many ancient medicinal transcripts. Ethnomedicinal uses of orchids with cultural significances have been documented; though the field remains highly unexplored. Northeast India is blessed with 973 species...

Native inhabitants of NorthEast India traditionally use Potentilla fulgens as a folk remedy for various diseases, including intestinal parasitic infections. P. fulgens root extract is enriched with catechin, afzelechin, fulgic acid and gallic acid like anticancer compounds. The cytotoxicity of P. fulgens root extract was confirmed on various human...

The undertaken study was conducted to isolate and characterize the plant growth promoting rhizobacteria from the rhizospheric soil of Musa itinerans collected from Zaphumi village, Nagaland, Northeast India. The purified bacterial isolates were screened for plant growth-promoting traits namely phosphate solubilization, IAA production, siderophore p...

With its large population, lifestyle and socioeconomic transition due to urbanization, India is becoming the epicentre for diabetes. Diabetes is one of the leading reasons for world economic loss. Abnormal production of lipids and proteins and oxidative stress in the body are the primary etiology of diabetes. With the high cost of treatments and re...

Musa manii H.Wendl. ex Baker categorized as a critically endangered wild banana species (IUCN red list, 2019) and M. markkui Gogoi & Borah, so far reported only from Arunachal Pradesh, India is being reported in this paper as new additions to the flora of Nagaland.

This paper presented the traditional knowledge on the uses of medicinal plants recorded through an ethnobotanical survey among Zeliang Naga tribe settled in villages around the Intanki National Park in Nagaland (India). The survey recorded the 48 species of angiospermic medicinal plants. It appears that the ethnomedicinal traditions of these people...

The present study was carried out at Dzükou valley, a high altitude region of Nagaland, Northeast India. Algal diversity was evaluated from 3 depression springs and 2 rivers. A total of 62 algal taxa belonging to 41 genera and 8 classes were recorded. The class Baccillariophyceae (37 species) was the most dominant while the genus Eunotia (8 species...

Agar has been the popular choice of the masses as tissue culture gelling matrix. But, in culture medium one of the costlier components is agar which accounts for ∼38% of the media cost and puts a limitation for commercial exploitation of the technique. Different low cost substrata such as polyurethane foam, betel nut coir, coconut husk, paddy straw...

The present study was carried out at Dzükou valley, a high altitude region of Nagaland, Northeast India.Algal diversity was evaluated from 3 depression springs and 2 rivers. A total of 62 algal taxa belonging to41 genera and 8 classes were recorded. The class Baccillariophyceae (37 species) was the most dominantwhile the genus Eunotia (8 species)...

International Conference on 'Bioresources and Bioeconomy' to be held during September 19-21, 2022 in the Department of Botany, Nagaland University, Lumami, India

Vanda bicolor Griff. is a vulnerable orchid species having immense horticultural importance. This communication reports the outcome of a successful attempt towards the formulation of immature seed culture protocol of Vanda bicolor, factors affecting effective germination, plant regeneration. This study also endeavored to formulation of a simple and...

Dendrobium heterocarpum Wall. ex Lindl. (Orchidaceae) is an orchid having medicinal as well as ornamen�tal values. The natural population of the species is downsized due to different anthropogenic activities. The present study was undertaken to standardize in vitro propagation technique of the species through immature embryo culture and optimizing...

Habitat destruction, indiscriminate and rampant collection of Vandaceous orchids for their ornamental and medicinal values have resulted many of the important species pushed to threatened category and to struggle for their survival in nature. Illegal trade of this commercially important group of orchids continues as these orchids are similar in sha...

Nagaland is a state of North Eastern region of India and a part of Indo-Myanmar biodiversity hotspot. The state is very rich in flora and fauna due to favorable agro-climatic condition. Tribes of Nagaland have been using various plants to treat different kind of diseases including diabetes. Since herbal drugs have lesser or no side effect, plant ba...

Nagaland represent as one of the orchid rich habitats of India.The number of species in Orchidaceae have undergone drastic increase with addition of new records over the past one decade. The present study aimed at the compilation of both primary and secondary data with latest nomenclatural changes and produces an updated list of orchids for the sta...

A comparative study on certain nutraceutical compounds viz., total phenol, flavonoid, tannin, alkaloid and antioxidant activities in different wild plant parts and in vitro regenerated plants of Dendrobium heterocarpum revealed presence of differential quantity of nutraceutical compounds. Higher total phenolic content was in 3 years old pseudobulbs...

Indiscriminate, rampant collection and natural habitat destruction of Vandaceous orchids for their ornamental and medicinal value have resulted in threatened category to many of the important species and struggling for their survival. Unconfirmed commercially important Vandaceous orchids still continues as these orchids are similar in shaped, size...

Use of low cost agar alternative in plant tissue culture

Nagaland, a hilly state of India, is the home for large number of wild edible legumes which has the potential to add to the food security. In the present study, effort was invested to evaluate certain nutritional parameters of 13 wild as well as cultivated lesser known edible legume species. Study finds that most of these species are very rich nutr...

Fermentation is food processing technology which improves the product quality of the raw material(s) due to the enzymatic action of various microorganisms. Indigenous fermented foods in Nagaland form a very integral part of the diet. Anishi is a popular fermented food product prepared from Colocasia leaves (Colocasia esculenta L. Schlott.). This st...

Mushrooms and its role

Mutation is an evolutionary force that occurs at random in nature and creates a necessary contrast to the wild-type condition. Although mutations occur spontaneously in every organism the induced mutagenesis technique offers a way to accelerate the rate of mutations in desirable directions for controlled selection. Induced mutagenesis has been a po...

Paphiopedilum insigne (Orchidaceae) is a vulnerable commercially important orchid owing to its attractive flowers. A successful attempt was made to develop an efficient low cost in vitro propagation protocol from immature embryos. Immature embryos from the 210 days aged green pods was cultured on nutrient media conjunct with organic carbon, plant g...

Actinidia deliciosa or Kiwi is an important horticultural plant. Common practice of propagation of the species is through stem cutting, but poor rooting of stem cuttings limits the production of clonal planting materials. Present study aimed at development of an in vitro propagation protocol using in vitro source leaves. About 5-8 week old leaves (...

To prevent extinction of threatened species, in vitro regeneration protocols for the propagation of six threatened species were standardized. The regenerated micro-shoots were rooted in nutrient medium supplemented with low concentrations of auxin. The well-developed plantlets were successfully established in field conditions, thus improving the pr...

Ethnic food fermentation process forms one of the oldest methods of food preparation and preservation which not only increases the shelf life of the food but have benefits of improving the physiochemical characteristics and nutritional quality. The major objective of this study was to document indigenous knowledge of ethnic people of Nagaland on pr...

Nagaland has a rich macro fungal flora but not many works has been carried out till today. Present investigation deals with molecular characterization and phylogenetic analysis of six popular wild edible mushrooms (WEMs) species of Nagaland, India viz., Lentinula edodes, Lentinus squarrosulus, L. sajor-caju, L. tigrinus, Schizophyllum commune, Term...

Actinidia deliciosa or Kiwi is an important horticultural plant. Common practice of propagation of the species is through stem cutting, but poor rooting of stem cuttings limits the production of clonal planting materials. Present study aimed at development of an in vitro propagation protocol using in vitro source leaves. About 5-8 week old leaves (...

Orchids in India are mostly confined to NorthEastern region and Western Ghats. Nagaland, a state of NE India is a hilly state with varied agro-climatic condition supports large number of orchids in different habitats. This study was an attempt for inventory of wild orchid resources of Kiphire, Tuensang and Zunheboto districts of Nagaland. Outcome o...

Actinidia deliciosa (A. Chev.) popularly known as Kiwi fruit is an important horticultural plant grown in different parts of the world. Common practice of propagation of the species is through stem cutting but due to poor rooting of stem cuttings limits the production of clonal planting materials . Present study was aimed at development of in vitro...

Lentil (Lens culinaris Medik. ssp. culinaris) is one of the oldest cultivated plants that originated from L. culinaris Medik.ssp. orientalis in the Near East arc and Asia Minor. This cool season legume crop is an excellent food source to provide energy, proteins and iron in the human diet. Most lentil-growing countries have a shared objective of hi...

Arachnis senapatiana (Phukan & A.A. Mao) Kocyan & Schuiteman is an addition to the orchid flora of Nagaland. Previously it was reported from Manipur state in NE India. A detailed description along with photographs is provided for its easy recognition in the field.

Dendrobium regium Prain (Orchidaceae) a new record to North East India has been described from Nagaland, India. A detailed description, photographic illustration distribution has been provided.

Thunia marshalliana is a terrestrial orchid with immense horticultural importance. Its population in natural habitat is downsized due to different anthropogenic activities. A successful attempt was made for asymbiotic immature embryo culture and in vitro regeneration of plantlets on MS liquid medium with foam, saw dust, paddy straw and sugarcane ba...

The present study reveals the occurrence of high genetic diversity within three wild edible Lentinus species of Nagaland, India viz. Lentinus squarrosulus, L. sajor-caju and L. tigrinus which remain under-utilized. The uses of three different markers i.e., inter simple sequence repeats (ISSR), directed amplification of minisatellite DNA (DAMD) and...

The need for conservation of fungal diversity has garnered more interest during recent times. Nagaland is a hilly state of northeastern region in India with varied altitude and agro-climatic conditions. The state is home to a large number of wild fungi including popular edible varieties and has the potential role to improve the rural economy. The p...

Mushrooms are known to mankind since early human civilization and are gaining importance because of their nutritional and medicinal properties. Till date 37 wild edible mushrooms are reported from Nagaland. In this study, nutritional analysis including total phenolics, flavonoids and antioxidant activity was done for ten popular WEM species. Total...

Thunia marshalliana is a terrestrial orchid with immense horticultural importance. Its population in natural habitat is downsized due to different anthropogenic activities. A successful attempt was made for asymbiotic immature embryo culture and in vitro regeneration of plantlets on MS liquid medium with foam, saw dust, paddy straw and sugarcane ba...

Nagaland is a state of India which lies in the northeast part of the Indian continent. The majority of the forest area of the state is still unexplored. Nagaland has rich biodiversity including wild mushrooms. There are many medicinal mushrooms available in Nagaland like Auricularia auricula-judae, A. polytricha, Lentinula edodes, Schizophyllum com...

Paris polyphylla Smith. is a perennial herb, over exploited for its medicinal value and other anthropogenic activities like traditional method of Slash and Burn' (Jhuming) farming practice has reduced much of its habitat. As such the need to describe its potential habitats arises; this is achieved with Climate Suitability Modeling. The model was de...

Nagaland is a state of India which lies in the northeast part of the Indian continent. The majority of the forest area of the state is still unexplored. Nagaland has rich biodiversity including wild mushrooms. There are many medicinal mushrooms available in Nagaland like Auricularia auricula-judae, A. polytricha, Lentinula edodes, Schizophyllum com...

To prevent extinction of threatened species, in vitro regeneration protocols for the propagation of six threatened species were standardized. The regenerated micro-shoots were rooted in nutrient medium supplemented with low concentrations of auxin. The well-developed plantlets were successfully established in field conditions, thus improving the pr...

With the advancement of molecular biology techniques many conventional genomic DNA extraction protocols has been developed for good, pure, high quality DNA with expensive and hazardous chemical reagents. Here we present a rapid, simple and efficient DNA extraction protocol using cetyl trimethylammonium bromide (CTAB) for orchid without involvement...

Soybean based fermented foods are known to be highly nutritive, not just because it contains high protein content but also due to presence of polyphenols. Various microorganisms involved during the fermentatio n process have proven to play active role in the enhancement of the nutritional value as well as increase in phytochemicals in the product....

To prevent extinction of threatened species, in vitro regeneration protocols for the propagation of six threatened species were standardized. The regenerated micro-shoots were rooted in nutrient medium supplemented with low concentrations of auxin. The well-developed plantlets were successfully established in field conditions, thus improving the pr...

Paris polyphylla Smith. is a perennial herb, over exploited for its medicinal value and other anthropogenic activities like traditional method of Slash and Burn' (Jhuming) farming practice has reduced much of its habitat. As such the need to describe its potential habitats arises; this is achieved with Climate Suitability Modeling. The model was de...

Cymbidium bicolor Lindl. (Orchidaceae) is reported as a new distributional record to the orchid flora for the Indian state of Nagaland. A detailed illustration of the species as well as its flowering in the wild is provided for easy identification in the field.

The genus Dioscorea is an economically important species due to its rhizomatous tubers which are the source of alkaloid saponin used in preparation of steroids in the pharmaceutical. Dioscorea villosa L. is economically important as the rhizome extract of the species is used to cure symptoms of rheumatoid arthritis. The species is also used in curi...

Barberry has played a prominent role in herbal healing for more than 2500 years. Most of the berberis species have medicinal uses because of the presence of alkaloid " berberine " an isoquinoline alkaloid. The root and inner bark are also used for yellow dyeing of clothes. The objective of the present study was to evaluate the seed dormancy, effect...

Diversity of mushrooms in Nagaland, India.

Two new species of Monolophus are described and illustrated from north east India. A key to the Indian species is provided for easy identification.

This paper reports an efficient protocol for in vitro plant regeneration from nodal segments collected from the nodal explants of Saurauia punduana, a threatened therapeutically important plant. Nodal segments of ~7 wk old plants were collected during December and cultured on MS medium containing sucrose (3%, w/v), PVP (300 mg L-1) and BA (9 µM) wh...

Aconitum nagarum belongs to the family Ranunculaceae, a highly valuable herb due to rich content of diterpenoid alkaloid. Owing to its high medicinal value, the demand of A. nagarum has increased many folds which have pushed the species in threatened category. Present study was aimed to establish in vitro culture system for production of cloning pl...

Berberis manipurana Ahrendt (Berberidaceae) is an endemic and threatened natural dye yielding and medicinally plant of North Eastern region of India. Present study reports the in vitro regeneration protocol of this species from in vivo sourced nodal segments. Uni-nodal segments collected during January were cultured on two nutrient media (MS and WP...

Advancement in field of GIS and Information Technology has taken conservation works and strategies a step further as most conservation works are now dependent on these technologies. The present study explores the prediction ability of MAXENT using a very low sample size by applying jackknife analysis over a well defined smaller region and using onl...

Bambusa nagalandiana is an ornamentally and commercially important endemic bamboo species of Nagaland. Due to limited distribution and over-exploitation, the species is under threat. The present study was undertaken to develop an efficient protocol for in vitro propagation through axillary buds sprouting. Nodal segments collected during spring (Mar...

This paper reports an efficient protocol for in vitro plant regeneration from nodal segments collected from the nodal explants of Saurauia punduana, a threatened therapeutically important plant. Nodal segments of ~7 wk old plants were collected during December and cultured on MS medium containing sucrose (3%, w/v), PVP (300 mg L-1) and BA (9 µM) wh...

Aconitum nagarum belongs to the family Ranunculaceae, a highly valuable herb due to rich content of diterpenoid alkaloid. Owing to its high medicinal value, the demand of A. nagarum has increased many folds which have pushed the species in threatened category. Present study was aimed to establish in vitro culture system for production of cloning pl...

In this study, QSAR modeling was performed for predicting the IC50 value for a set of HIV-1 integrase inhibitors using multiple regression and partial least square method obtaining an optimized model for each method. These models were used to predict a set of test compounds obtained by performing a chemical similarity search of the training set fro...

The Indian sub-continent is blessed with favorable agro climatic conditions that are suitable to a varied range of fungal species. Though the occurrence of mushrooms is of diverse nature, they are not well studied and documented. Northeastern region of India is one of the biodiversity hotspots. Nagaland is one of the Northeastern states of India. T...