Analysis of DNA Content of Wild and Cultured Labeo Calbasu Hamilton, 1822 Using Nanophotometer

International Journal of Trend in
International Open Access Journal
ISSN No: 2456 - 6470
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Analysis of DNA
Calbasu (Hamilton
1
Research Scholar
Department of Zoology RGPG College
ABSTRACT
Labeo calbasu is an important food fish and
commonly known as the “calbasu” or “Black Rohu”.
The present study was conducted on DNA extraction
and determination of DNA quantity of both male and
female of wild and cultured Labeo calbasu
Nanophotometer. DNA isolation was done and gel
electrophoresis was carried out. Extracted DNA was
analyzed using nanophotometer (Nanophotometer
P330; Implen, Germany) to determine the
concentration of DNA and its purity level. Several
different methods have been employed in the
quantification of nuclear DNA over the past 50 years.
The ease of use of this technique not only makes it a
feasible option for small volume analysis of DNA but
also a practical alternative for spectrophotometric
measurement. Significant progress was made to
measure micro volume liquid samples (<1µl) in
biotechnology & pharmaceutical applications. For the
present study both male and female of wild
calbasu (from middle Ganga Region) and cultured
Labeo calbasu (from culture ponds and/ hatchery)
were taken. The value of DNA concentration in
female of wild Labeo calbasu was in between 58
ng/µl and of male was in between range of 64
ng/µl. The value of DNA concentration in female of
cultured Labeo calbasu was 60- 66 ng/µ
68- 74 ng/µl.
KEY WORDS: DNA Quantity, wild, cultured,
Nanophotometer, Labeo calbasu.
INTRODUCTION
Labeo is a genus of carps in the family
Labeo calbasu locally called Kalibasu or Calbasu or
Black rohu, is a freshwater fish species and is the
most important carp species next to three Indian
Major Carps; Labeo rohita, Catla catla
International Journal of Trend in Scientific Research and Development (IJTSRD)
International Open Access Journal | www.ijtsrd.com
6470 | Volume - 3 | Issue – 1 | Nov – Dec 2018
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DNA Content of Wild and Cultured Labeo
Hamilton, 1822) Using Nanophotometer
Nisha Rana1
, Seema Jain2
Research Scholar, 2
Associate Professor
Department of Zoology RGPG College, Meerut, Uttar Pradesh, India
is an important food fish and
commonly known as the “calbasu” or “Black Rohu”.
The present study was conducted on DNA extraction
and determination of DNA quantity of both male and
Labeo calbasu using
Nanophotometer. DNA isolation was done and gel
electrophoresis was carried out. Extracted DNA was
analyzed using nanophotometer (Nanophotometer
P330; Implen, Germany) to determine the
concentration of DNA and its purity level. Several
e been employed in the
quantification of nuclear DNA over the past 50 years.
The ease of use of this technique not only makes it a
feasible option for small volume analysis of DNA but
also a practical alternative for spectrophotometric
cant progress was made to
measure micro volume liquid samples (<1µl) in
biotechnology & pharmaceutical applications. For the
present study both male and female of wild Labeo
(from middle Ganga Region) and cultured
and/ hatchery)
were taken. The value of DNA concentration in
was in between 58 -62
l and of male was in between range of 64- 68
l. The value of DNA concentration in female of
66 ng/µl and of male
DNA Quantity, wild, cultured,
in the family Cyprinidae.
locally called Kalibasu or Calbasu or
is a freshwater fish species and is the
most important carp species next to three Indian
and Cirrhinus
mrigala. The synonyms used for this species are
Cyprinus calbas (Hamilton, 1822),
calbasu (Day, 1878), Labeo calbasu
Shebbeare, 1937). It is a popular food fish and also is
admired as a sport fish. Recently this fish species has
also made its entry in ornamental fish markets of India
and abroad. In last few years, the natural populations
of this fish species has seriously declined due to
fishing and other anthropological reasons.
The dorsal profile of Calbasu is more convex than of
abdomen.Other identifying features includes;
thick and fringed. Two pairs of barbells
pair longer than maxillary pair (Rahman, 19
pores on snout and eye situated a bit anterior from the
half of the head (Bhuiyan, 1964). Caudal peduncle is
short an lateral line well marked, scales
in size. There are 20 rows of scales before dorsal fin
and 22 rows round the caudal
1964). Mouth is moderately wide and
Gill openings of Kalibasu is wide a
villiform, short and feeble (Bhuiyan, 1964). Colour
body is dark-black but the ventral part light dark.
ventral surface of the opercular region is white iris
coppery. This fish attains a length of
(Talwar and Jhingran, 1991).
feeder. It feeds on vegetable matter, crustaceans,
insect larvae etc. Labeo calbasu
higher plants 48%, protozoa 12%, crustacean 10%,
mollusca 5%, mud and sand 15% (Bhuiyan, 1964). It
does inhabit rivers and tributaries. They are also seen
in deep pools clear sluggish streams, creeks. It can be
reared in ponds and also in tanks (Bhuiyan, 1964 and
Rahman, 1989).
Of wide distribution in India, it is one of the major
Indian carps. It is an important food fish and at several
Research and Development (IJTSRD)
www.ijtsrd.com
Dec 2018
Dec 2018 Page: 906
nd Cultured Labeo
Using Nanophotometer
, India
The synonyms used for this species are
Hamilton, 1822), Labeo
Labeo calbasu (Shaw and
It is a popular food fish and also is
admired as a sport fish. Recently this fish species has
also made its entry in ornamental fish markets of India
and abroad. In last few years, the natural populations
of this fish species has seriously declined due to over
fishing and other anthropological reasons.
The dorsal profile of Calbasu is more convex than of
Other identifying features includes; Lips are
pairs of barbells present, rostal
pair longer than maxillary pair (Rahman, 1989). No
ye situated a bit anterior from the
964). Caudal peduncle is
ateral line well marked, scales are moderate
in size. There are 20 rows of scales before dorsal fin
and 22 rows round the caudal peduncle (Bhuiyan,
1964). Mouth is moderately wide and also inferior.
Gill openings of Kalibasu is wide and gill rakers are
villiform, short and feeble (Bhuiyan, 1964). Colour of
black but the ventral part light dark. The
the opercular region is white iris
coppery. This fish attains a length of nearly 90 cm
(Talwar and Jhingran, 1991). Generally it is a bottom
feeder. It feeds on vegetable matter, crustaceans,
Labeo calbasu feeds on algae 10%,
higher plants 48%, protozoa 12%, crustacean 10%,
mollusca 5%, mud and sand 15% (Bhuiyan, 1964). It
does inhabit rivers and tributaries. They are also seen
in deep pools clear sluggish streams, creeks. It can be
tanks (Bhuiyan, 1964 and
Of wide distribution in India, it is one of the major
Indian carps. It is an important food fish and at several

International Journal of Trend in Scientific
places is referred to as the "Black Rohu". It is an
important game fish in the tanks where it is s
and is cultivated along with other species. It thrives
better in tanks and lakes than in running waters; can
tolerate slightly brackish water also. It does not
normally breed in ponds; induced bred by
hypophysation. It is essentially a bottom feeder
attains a length of 90 cm. It can be taken on small fly
spoon (Talwar and Jhingran 1991).
OBJECTIVE
To extract DNA of both male and female of wild and
cultured Labeo calbasu.
To determine concentration of DNA of both male and
female of wild and cultured Labeo calbasu
Nanophotometer.
MATERIALS AND METHODS
In the present study, Labeo calbasu
collected from different water bodies of Western Uttar
Pradesh (Bijnor district, district Hapur and from
district Meerut), morphologically identified (with the
help of standard literature of Day’s fauna 1875
78,1889; Jayaram, 1981) and preserved
studies (for DNA isolation and quantification).
Approx. 100mg of muscle tissue and fin clip from 2
individuals of each species were preserved in 95%
ethanol until used and will be kept in
molecular analysis. Voucher specimens were
preserved in 10% formalin solution. DNA isolation
was done by following the method of Ruzzante
(1996) with minor modifications. The DNA was
diluted to a final concentration of 100ng/µL.
electrophoresis was carried out by 1.5-2% agarose gel.
The extracted DNA was further analyzed using
Nanodrop spectrophotometer (Nanophotometer P330;
Implen, Germany) to determine the concentration of
DNA and its purity level. Total DNA quantification
was carried by nanophotometetrically taking
absorbance of 260 and 280nm. A total of
of Labeo calbasu of wild and cultured
analyzed.
RESULTS
The present study was conducted on the isolation of
DNA and determination of DNA concentration of
both male and female of wild and cultured
calbasu using Nanophotometer.DNA quantification
was done by using nanophotometer and all data was
noted (Table 1). The value of DNA concentration in
female of wild Labeo calbasu was between 58
International Journal of Trend in Scientific Research and Development (IJTSRD) ISSN: 2456
places is referred to as the "Black Rohu". It is an
important game fish in the tanks where it is stocked
and is cultivated along with other species. It thrives
better in tanks and lakes than in running waters; can
tolerate slightly brackish water also. It does not
normally breed in ponds; induced bred by
hypophysation. It is essentially a bottom feeder. It
attains a length of 90 cm. It can be taken on small fly-
To extract DNA of both male and female of wild and
To determine concentration of DNA of both male and
Labeo calbasu using
Labeo calbasu fishes were
collected from different water bodies of Western Uttar
district, district Hapur and from
, morphologically identified (with the
help of standard literature of Day’s fauna 1875-
78,1889; Jayaram, 1981) and preserved for molecular
quantification).
tissue and fin clip from 2-5
individuals of each species were preserved in 95%
ethanol until used and will be kept in -20 °C for
molecular analysis. Voucher specimens were
DNA isolation
method of Ruzzante et.al.,
modifications. The DNA was
diluted to a final concentration of 100ng/µL. Gel
2% agarose gel.
The extracted DNA was further analyzed using
hotometer P330;
to determine the concentration of
Total DNA quantification
was carried by nanophotometetrically taking
A total of 20 samples
of wild and cultured fishes were
The present study was conducted on the isolation of
DNA and determination of DNA concentration of
both male and female of wild and cultured Labeo
Nanophotometer.DNA quantification
nanophotometer and all data was
The value of DNA concentration in
was between 58-62
ng/µl and of male was between
(Fig.3). The value of DNA concentration in female of
cultured Labeo calbasu was 60
68- 74 ng/µl (Fig. 4).
Table1. Quantity of DNA in all 20 samples of
Labeo calbasu in Nanogram/
Sample
No.
Wild
Female
Wild
Male
1 60 66
2 58 64
3 61 66
4 62 68
5 59 64
Nucleic acids play a major role in growth an
development. The amount of de
(DNA), the carrier of genetic information, is stable
under changing environmental situations and has been
used as an indicator of biomass
and cell number (Regnault and Luquet 1974).
study revealed that the highest content of DNA was
seen in female fishes of wild and also of cultured
However slight change was seen in male fish. The
comparative result revealed that the highest content
was in cultured fishes, where all optimal conditions
were maintained and also in female fishes of cultur
fishes.
Fig. 1 Quantity of DNA content in Wild
in Nanogram/ µl/individual
Fig. 2 Quantity of DNA content in Cultured
calbasu in Nanogram/
Research and Development (IJTSRD) ISSN: 2456-6470
Dec 2018 Page: 907
l and of male was between ranges of 64- 68 ng/µl
The value of DNA concentration in female of
was 60 - 66 ng/µl and of male
Quantity of DNA in all 20 samples of
Cultured
Female
Cultured
Male
66 68
65 70
60 74
66 72
62 74
Nucleic acids play a major role in growth and
development. The amount of deoxyribonucleic acid
), the carrier of genetic information, is stable
under changing environmental situations and has been
used as an indicator of biomass (Dortch et al. 1983)
and cell number (Regnault and Luquet 1974). The
study revealed that the highest content of DNA was
en in female fishes of wild and also of cultured.
However slight change was seen in male fish. The
comparative result revealed that the highest content
was in cultured fishes, where all optimal conditions
were maintained and also in female fishes of cultured
Fig. 1 Quantity of DNA content in Wild L. calbasu
Quantity of DNA content in Cultured L.

Fig. 3 Comparative DNA Quantification in
nanogram/ µl in all 20 samples of both male and
female L. calbasu
DNA measurement can provide valuable tool for
monitoring the health and condition of fish.
knowledge from such investigations can be used in
optimizing and sustaining yield, stock management
and conservation of genetic diversity.
DISCUSSION
Nanodrop spectrophotometry is an extremely
powerful technology that allows Quantification of
DNA, RNA (A260) and protein (A280)
concentrations and sample purity (260/280 ratio) over
a large concentration range of 2 - 15,000 ng/L double
standards DNA (Pratima et. al,. 2014).
DNA concentration in female of wild Labeo
was between 58-62 ng/µl and of male was between
ranges of 64- 68 ng/µl. The value of DNA
concentration in female of cultured Labeo
was 60 - 66 ng/µl and of male 68- 74 ng/
al., (2012) used nanodrop method
quantification from different fishes bas
target. Nanodrop technique was also used by Shi
al., (2015) for DNA quantification in the process of
molecular characterization of Cynoglossus semilaevis.
In the project report submitted by Aderibigbe
Adedunni (2014) to the department of aquaculture and
fisheries management, University of agriculture,
Nigeria determination of DNA concentration of
Clarias gariepinus was done by nanodrop. DNA
quantification of Male and Female Clarias batrachus,
Clarias gariepinus andClarias hybrids was also
by Shobhna (2017). She observed the value of DNA
concentration in female of C. batrachus
between 59 and 61 ng/µl and of male was in between
range of 70- 76 ng/µl. The value of DNA
concentration in female of C. gariepinus
63 ng/µl and of male 75- 78 ng/µl. Highest DNA
concentration was seen in hybrid individuals, in
females the concentration was in between 74
Fig. 3 Comparative DNA Quantification in
in all 20 samples of both male and
DNA measurement can provide valuable tool for
monitoring the health and condition of fish. The
knowledge from such investigations can be used in
optimizing and sustaining yield, stock management
Nanodrop spectrophotometry is an extremely
powerful technology that allows Quantification of
A (A260) and protein (A280)
concentrations and sample purity (260/280 ratio) over
15,000 ng/L double
2014). The value of
Labeo calbasu
l and of male was between
l. The value of DNA
Labeo calbasu
74 ng/µl. Prado et.
method for DNA
quantification from different fishes based on nuclear
target. Nanodrop technique was also used by Shi et.
(2015) for DNA quantification in the process of
Cynoglossus semilaevis.
In the project report submitted by Aderibigbe
aquaculture and
fisheries management, University of agriculture,
Nigeria determination of DNA concentration of
was done by nanodrop. DNA
Clarias batrachus,
hybrids was also done
he value of DNA
C. batrachus was in
l and of male was in between
The value of DNA
C. gariepinus was 60 and
µl. Highest DNA
concentration was seen in hybrid individuals, in
females the concentration was in between 74-76 ng/µl
and in case of males value was between 88
Similar study on diminution level of RNA/DNA ratio
in tissue of Labeo rohita
endocrine disrupting compounds was also done by
Verma et al., 2016.
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2014.
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