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신종암 여수대학교 1998 論文集 Vol.12 No.2
Science of cultivation and cultivation techniques, partially compensating for unfavorable environmental conditions, of Porphyras as practiced in Japan have been improving year-by-year. The newest techniques are as follows: first, selected good cultivars and artificial seeding with tanks indoors or outdoors on land instead of in the sea; second, seedling nursery by artificial drying with nursery apparatus constructed with U-shaped pipe riser instead of by natural drying with pole system nursery apparatus: third, high speed harvesting boat equipped with motor driven cutter, which one person can manage it, instead of the vessel with motor driven cutter; fourth, preservation of harvested gametothalli of Porphyra as material for dried, paper-like thin, rectangular sheets of Porphyras to keep freshness in stirring tanks instead of in the freezer, and so on. This is the modern method of Porphyra cultivation which is performed by whole life-cycle management.
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방사무늬김 색소변이형 사상체의 생체 가시부 흡수스펙트럼
최성제,신종암,윤장택 여수대학교 1998 論文集 Vol.12 No.2
Comparative study was made on absorption spectra of the sporothallus of the wild-type (U-511) plant, and the red-type (H-25), the green-type (C-O giant), the yellow-type (ZY-1), the violet-type (ZV-1), the gray-type (ZGr-1), the light red-type (ZLR-1), the light green-type (C-31) and the light yellow-type (ZLY-1) mutants in P. yezoensis. The absorption was recorded with a double monochrometer recording spectrophotometer (Hitachi U-3210) not equipped with an integrating sphere attachment or a head-on photomultiplier. The red-, the green-, the yellow-, the gray- and the light yellow-type mutants showed the spectra having two absorption maxima in 530-583 nm region. The red- and the green-type mutants had the spectra with markedly low absorption in a 380-750 nm region. The violet- and the gray-type mutants were characterized by higher PE/Chl. α and PC/Chl. αratios. The light yellow-type mutant was marked by lower PE/Chl. α and PE/PC ratios, while the gray- and the violet-type by higher PE/Chl. α and the gray-type by PE/PC ratios. It is inferred : that the light yellow-type mutants might result from qualitative and quantitative variations of phycoerythrin : that the light yellow-type mutants might originate from qualitative variation of phycoerythrin and quantitative variation of chlorophyll α: that the violet-, the light green- and light yellow-type mutant might arise from quantitative variation of chlorophyll α.
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갈조식물 뜸부기(Pelvetia siliquosa)의 영양기관 및 생식기관의 저장물질
윤장택,신종암 여수대학교 1998 論文集 Vol.13 No.2
The reserve substances of Pelvetia silipuosa, which were collected at Sunyoo island, western coast of Korea, in May 4, 1998, were investigated by using the vegetative and reproductive organs. The differences between receptacles and growing branches constituents were observed. Receptacles had a higher content of water, but they had two times lower content of ash than growing branches. The protein content of growing branches and receptacles were 6.87±0.69g and 6.56±0.41g, and the glucose 319.3±15.8㎎/100 g and 377.7㎎/100g. The laminarin of receptacle were 22.86±0.81g/100g and growing branches were 22.41±0.69g, which contained the highest of all constituents. The mannitol were 7.67±0.12g and 6.63±0.32g in receptacle and growing branches.
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紅藻 김屬 3種의 貝殼絲狀體의 成長, 成熟과 採苗에 미치는 照度의 影響
Young Jong KIM(金永鍾),Young Pyo KIM(金容標),Jong Ahm SHIN(申宗岩) 전남대학교 수산과학연구소 2003 수산과학연구소논문집 Vol.12 No.-
To advance seeding of conchospores of Porphyra dentata, P. seriata and P. tenera, the effect of light intensity on growth of shell-inhabiting conchocelis and formation and maturation of conchosporangia were studied from May to October in 1998. Growth of shell-inhabiting conchocelis of these species was similar to one another in early culture under natural light intensity, photoperiod and room temperature; growth of P. dentata and P. seriata was higher than that of P. tenera at 800 lux from August to September; growth of these three species was similar to one another at 800 lux in October. The color of shell-inhabiting conchocelis of P. dentata and P. seriata was red and the color of P. tenera black, but all the species were reddish-purple after mid-September. Formation rate of conchosporangia was 90% or more in P. tenera, 70% in P. seriata and less than 40% in P. dentata at September. Maturation of conchosporangia under 500 and 800 lux was better than 1,500 lux in the three species. Numbers of released conchospores was more at 18℃ than at 22℃, and the short-day treatment (8L:16D) gave rise to promotion of conchospore release. Numbers of conchospore germlings attached 1 ㎝ long netting-twine after 30 days of seeding were 35 individuals in P. tenera, 10 individuals in P. seriata and 3 individuals in P. dentata. Attached germlings of P. seriata were increased after 45 and 60 days; it suggests that monospores might be released in P. seriata.
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김屬(Porphyra) 3種의 패각사상체 성숙 및 채묘에 미치는 조도의 영향
김영종(Young Jong KIM),조주현(Ju Hyun JO),최성제(Sung Je CHOI),신종암(Jong Ahm SHIN) 전남대학교 수산과학연구소 1999 수산과학연구소논문집 Vol.8 No.-
To advance seeding of conchospores of Porphyra dentata, P. seriata and P. tenera, the effects of light intensity and photoperiod on growth of shell-inhabiting conchocelis, and formation and maturation of conchosporangia were studied from May to October in 1998. Growth of shell-inhabiting conchocelis of these species was similar to one another in early culture under natural light intensity, photoperiod and room temperature; growth of P. dentata and P. seriata was higher than that of P. tenera at 800 lux from August to September; growth of these three species was similar to one another at 800 lux in October. The color of shell-inhabiting conchocelis of P. dentata and P. seriata was red and the color of P. tenera black, but all the species were reddish-purple after mid-september. Formation rate of conchosporangia was 90% or more in P. tenera, 70% in P. seriata and less than 40% in P. dentata at September. Maturation of conchosporangia under 500 and 800 lux was better than 1,500 lux in the three species. Numbers of released conchospores were more at 18℃ than at 22℃, and the short-day treatment(8L:16D) gave rise to promotion of conchospore release. Numbers of conchospore germlings attached 1 ㎝ long netting-twine after 30 days of seeding were 35 individuals in P. tenera, 10 individuals in P. seriata and 3 individuals in P. dentata. Attached germlings of P. seriata were increased after 45 and 60 days; it suggests that monospores might be released
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Morphology and life history of Stylonema cornu-cervi Reinsh (Goniotrichales, Rhodophyta) from Japan
Norio Kikuchi,Jong-Ahm Shin 한국조류학회I 2005 ALGAE Vol.20 No.1
The morhology and life history of Stylonema cornu-cervi Reinsch from Japan were investigated. The species had multiseriate erect thalli from a basal cell. The thalli usually branched dichotomously, occasionally trichotomously near the base, and non-branched thalli were sometimes observed. A dichotomous branch on the upper portion near the base occurred only one time on each erect branch. Cells contained a stellate chloroplast, which was composed of a central rounded part with an obscure pyrenoid and 5-8 cup-like lobes connected to the central part by a small thin stipe. The biseriate part was observed on the six-celled stage in culture, and the grown thalli were multiseriate except for base and apices. Monospores forming from the immediate transformation of vegetative cells were observed. Thalli grew at 15-25°C and died at 10 and 30°C. The fastest growth and maturation were observed under 25°C and 14L:10D. Although S. alsidii (Zanardini) Drew usually had uniseriate thalli, irregularly branched multiseriate thalli had been reported in cultures. It is possible that in the previous report the thalli were confused with S. cornu-cervi. In this report, S. cornu-cervi were distinguished from S. alsidii in that the branches were few, the multiseriate portions were observed on the early stage (six-celled stage), and the grown thalli were multiseriate except at the base and apices.
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Morphology and Life History of Stylonema cornu-cervi Reinsch (Goniotrichales, Rhodophyta) from Japan
Kikuchi, Norio,Shin, Jong-Ahm The Korean Society of Phycology 2005 ALGAE Vol.20 No.1
The morhology and life history of Stylonema cornu-cervi Reinsch from Japan were investigated. The species had multiseriate erect thalli from a basal cell. The thalli usually branched dichotomously, occasionally trichotomously near the base, and non-branched thalli were sometimes observed. A dichotomous branch on the upper portion near the base occurred only one time on each erect branch. Cells contained a stellate chloroplast, which was composed of a central rounded part with an obscure pyrenoid and 5-8 cup-like lobes connected to the central part by a small thin stipe. The biseriate part was observed on the six-celled stage in culture, and the grown thalli were multiseriate except for base and apices. Monospores forming from the immediate transformation of vegetative cells were observed. Thalli grew at 15-25$^{\circ}C$ and died at 10 and 30$^{\circ}C$. The fastest growth and maturation were observed under 25$^{\circ}C$ and 14L:10D. Although S. alsidii (Zanardini) Drew usually had uniseriate thalli, irregularly branched multiseriate thalli had been reported in cultures. It is possible that in the previous report the thalli were confused with S. cornu-cervi. In this report, S. cornu-cervi were distinguished from S. alsidii in that the branches were few, the multiseriate portions were observed on the early stage (six-celled stage), and the grown thalli were multiseriate except at the base and apices.
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