연구논문 : 형질전환 담배의 내건성 개선

박용목 ( Yong Mok Park ) 한국환경과학회 2016 한국환경과학회지 Vol.25 No.1

Leaf water and osmotic potential, chlorophyll content, photosynthetic rate, and electrolyte leakage were measured to evaluate tolerance to water stress in wild-type (WT) and transgenic tobacco plants (TR) expressing copper/zink superoxide dismutase (CuZnSOD) and ascorbate peroxidase (APX) in chloroplasts. Leaf water potential of both WT and TR plants decreased similarly under water stress condition. However, leaf osmotic potential of TR plants more negatively decreased in the process of dehydration, compared with WT plants, suggesting osmotic adjustment. Stomatal conductance (Gs) in WT plants markedly decreased from the Day 4 after withholding water, while that in TR plants retained relatively high values. Relatively low chlorophyll content and photosynthetic rate under water stress were shown in WT plants since 4^{th} day after treatment. In particular, damage indicated by electrolyte leakage during water stress was higher in WT plants than in TR plants. On the other hand, SOD and APX activity was remarkably higher in TR plants. These results indicate that transgenic tobacco plants expressing copper/zink superoxide dismutase (CuZnSOD) and ascorbate peroxidase (APX) in chloroplasts improve tolerance to water stress.

<二十功臣會盟軸〉의 특징과 가치

全炅穆(Chon Kyong-mok),朴用萬(Park Yong-man) 한국학중앙연구원 2009 장서각 Vol.0 No.22

2007년 4월 각각 보물 제1512호와 보물 제1513호로 지정된 인조조와 숙종조 <二十功臣會盟軸> 2본이 장서각에 소장되어 있다. 이 회맹축 2본은 길이가 각각 24m가 넘는 규모로, 生?에 朱墨으로 邊欄을 치고 楷書로 썼다. 변아와 회장, 옥축 등으로 꾸며 나무궤에 넣어 봉모당에 봉안했던 것이다. 인조조 회맹축은 1644년 沈器遠의 역모를 적발하여 평정한 공으로 녹훈된 寧國功臣의 녹훈을 계기로 제작하였다. 開國功臣 이하 二十功臣이 1646년에 會盟하였을 때의 기록으로 錄勳都監에서 제작하였다. 숙종조 회맹축은 1680년 庚申換局 이후 保社功臣을 녹훈하고 공신회맹제를 지내며 제작한 것이다. 끝에는 정치적 변동과 관련되어 삭훈되었던 보사공신을 1694년 복훈하며 종묘의 各室에 고한 祭文이 함께 수록되었다. 이 2본의 회맹축과 영조조 <二十一功臣會盟軸> 등 3본은 珍藏閣에 보관되다 정조조에 奉謨堂으로 옮겨 봉안되었다. 그러나 1910년까지 봉모당에 봉안되고 있던 것이 확실한 영조조 회맹축은 현재 그 소장처를 확인할 수 없다. 이 자료들은 조선시대 왕실문화의 우수성을 확인시켜주는 동시에 17세기 조선의 정치적 변동 사정을 알려준 다는 점에서 대단히 중요한 자료이다. 아울러 영조조 회맹축을 찾으려는 노력도 함께 이루어져야 할 것이다. Two Yisipgongsin-hoimaeng-chuk(二十功臣會盟軸) of King Injo and King Sukjong appointed as Treasure No. 1512 and Treasure No. 1513 in April, 2007 were stored in Jangseo-gak(藏書閣). The length of the two Hoimaeng-chuk is respectively more than 24m. They were written in Haeseo(楷書), making Byeonlan(邊欄) on Saengcho(生?) with Jumuk(朱墨). They were stored in Bongmo-dang(奉謨堂), decorated by Byeona(邊兒), Hoijang(回粧) and Okchuk(玉軸) and put in a wooden box. King Injo Hoimaeng-chuk was manufactured to appoint people who swept the conspiracy of Sim Gi­Won(沈器遠) in 1644 to be a meritorious retainer. It is a record when 20 meritorious retainer groups including a meritorious retainer group at the founding of Joseon pledged in 1646. It was manufactured in Nokhun-dogam(錄勳都監). King Sukjong Hoimaeng-chuk appointed Bosagongsin(保社功臣) after Gyeongsinhwanguk(庚申換局) in 1680 and was manufactured by Gongsinhoimaengje(功臣會盟祭). Bosa-gongsin, who was eliminated in the relation with political change, was appointed again in 1694 and Jemun(祭文) informed to Gaksil(各室) of Jongmyo(宗廟) was recorded together. Two Hoimaeng-chuk and King Youngjo Yisipilgongsin-hoimaeng-chuk(二十一功臣會盟軸) were stored in Jinjang-gak(珍藏閣) before and transferred to Bongmo-dang. However, King Youngjo Hoimaeng-chuk stored in Bongmo-dang by 1910 is not checked where it is stored. These data is very important data since they show us superiority of Royal Family culture in the Joseon Dynasty and inform us of political change in the Joseon Dynasty in the 17th century. In addition, it is necessary to make efforts to find King Youngjo Hoimaeng-chuk.

IT839와 차세대 PC 기술개발

송학현,박용목,조수지,Song Hak-Hyeon,Park Yong-Mok,Jo Su-Ji 한국정보통신학회 2006 한국정보통신학회지 Vol.7 No.1

신부전을 동반한 낭창성 신염 환자에서 Mycophenolate Mofetil 사용 경험

박미정 ( Mi Jeong Park ),김현주 ( Hyun Ju Kim ),이화목 ( Hwa Mok Lee ),오준석 ( Joon Seok Oh ),황현철 ( Hyun Cheol Hwang ),임동한 ( Dong Han Im ),오혜주 ( Hoe Joo Oh ),박용기 ( Yong Ki Park ),신용훈 ( Yong Hun Shin ),김중경 ( Joon 대한신장학회 2006 Kidney Research and Clinical Practice Vol.25 No.4

광조건이 미국자리공(Phytolacca americana L.)의 생장에 미치는 영향

최기룡(Kee-Ryong Choi),박범진(Bum-Jin Park),박용목(Yong Mok Park) 韓國雜草學會 2009 Weed&Turfgrass Science Vol.29 No.1

급속히 그 분포가 확대되어 가고 있는 미국자리공의 광 환경에 대한 반응을 평가하고자 야외에서 미국자리공이 분포하지 않았던 상대조도 8%, 가장 많이 분포하였던 상대조도 33%, 그리고 상대조도 100%의 모델 실험계를 이용하여 생장해석을 실시하였다. 상대조도 33%와 100%에 비해 상대조도 8%에서의 미국 자리공의 상대생장률은 현저히 감소하였으며, 이 감소에는 상대조도 8%에서 높았던 엽면적비의 기여보다 순동화율(net assimilation rate, NAR)의 기여가 더 크게 작용하였기 때문이었다. 그러나 NAR의 변화는 광조건에 관계없이 3종류의 상대조도에서 모두 실험 시작 후 25일까지 증가하다가 이후 감소하는 같은 패턴을 나타내었다. 상대조도 33%와 100%에서는 뿌리가 지수함수적으로 생장한데 반해, 상대조도 8%에서는 아주 적은 증가를 나타내었다. 이러한 차이는 식물체의 질소흡수 속도에 반영되고, 이것은 다시 식물체의 질소함량에 반영되어 나타났다. 이러한 차이는 광 환경에 대한 미국자리공의 생장반응 특징으로, 처음 발아하였을 때는 광 환경에 관계없이 잎에 많은 물질을 분배하지만 상대조도 8%보다 높은 광 환경에서는 뿌리로의 물질분배를 증가시키기 때문으로 판단된다. 따라서 미국자리공은 상대조도 8%보다 낮은 광 환경에서는 분포가 어려울 것으로 판단된다. The growth of pokeberry (Phytolacca americana L.), grown at three different light intensities, was analyzed to evaluate their growth responses to light regime. Relative growth rate (RGR) was remarkably reduced in plants grown at relative light intensity (RLI) of 8%, compared with those grown at 33% or 100% RLI. This was due to the difference in net assimilation rate (NAR) between plants grown at different light regimes. However, changing patterns of NAR were similar in all plants irrespective of light regimes, showing increase until 25 days from the start of experiment and decrease thereafter. Root mass in plants grown at 8% RLI was hardly increased, while those in plants grown at 33% or 100% RLI increased remarkably. This resulted in the difference in total nitrogen contents between them. Plants grown at 33% RLI or 100% RLI indicated different allocation patterns between the first and the second parts of experiment, indicating alteration in the rate of allocation into leaf and root. On the other hand, plants grown at 8% RLI showed higher dry matter allocation into leaf than stem or root. These results suggest that pokeberry under lower light conditions than 8% RLI could not grow well and in turn would hardly extend their distribution area.

상수리나무 임분 내에서 벌채 유형에 따른 조림목의 생장 특성

신유승 ( Yu Seung Shin ),송선화 ( Sun Hwa Song ),양아람 ( A Ram Yang ),황재홍 ( Jaehong Hwang ),박용목 ( Yong Mok Park ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.6

The objective of this study was to evaluate the effect of cutting types on microclimate and growth characteristics of afforested tree in Quercus acutissima stand after different types of cutting. The difference in temperature reaching 5.2℃ was shown in between clear cutting and selective cutting treatments. On July and August days with temperatures more than 35℃ often appeared in clear cutting stand. The values of VPD in July and August were higher than those in other months. Maximum VPD of 3.99 kPa was shown in clear cutting stand on May 23 as a prolonged rainless days appeared. However, VPD in selective cutting stand always stayed under 3.0 kPa throughout growing season. A higher intensity was shown in clear cutting and strip clear cutting stands, reaching to more than 1,600 μmol m-2 s-1 at midday on early August, while that in selective cutting stand stayed about 1,500. In relative growth rate selective cutting stand showed a significantly higher relative growth rate in plant height than those in other cutting stands (p<0.05). The number of leaf in current-year branches significantly increased in selective cutting stand, whereas no increase was shown in clear cutting and strip clear cutting stands (p<0.05). In addition, relative elongation rate of current year branch also showed higher values in selective cutting stand compared with that in strip clear cutting stand (p<0.05). However, leaf mass per unit area (LMA) was higher in order of strip clear cutting, clear cutting, and selective cutting stands. From these results it is concluded that environmental conditions in clear cutting and strip clear cutting stands during growing season are more stressful to afforested tree species, resulting in lower relative growth in plant height, elongation of current-year branches, and leaf number per branch compared with those in selective cutting stand. Consequently, more data must be accumulated in the field to find out best cutting type in plantation considering the adaptational characteristic of each tree species varies with species and life span of tree is long.

고내화성 고강도 노출콘크리트 기둥 시공 사례

최병규(Byoung-Kyu Choi),이승훈(Seung-Hoon Lee),박용목(Yong-Mok Park),박찬규(Chan-Kyu Park) 한국콘크리트학회 2006 콘크리트학회지 Vol.18 No.2

열대림의 소실과 그 영향에 관한 연구

박용목 淸州大學校 都市·地域開發硏究所 1996 都市·地域開發硏究 Vol.2 No.-

백합나무 노화과정의 생리생태적 특성 변화

박용목 청주대학교 2015 産業科學硏究 Vol.32 No.2

In order to assess changes of ecophysiological characteristics in the process of autumn leaf senescence chlorophyll content, photosynthetic rate and leaf mass per area (LMA) were studied in the south- and north-facing leaves of a tulip tree. The south-facing leaves showed higher light saturation point and maximum photosynthetic rate (Pmax), while those in north-facing leaves indicated lower values. In the process of senescence, however, south-facing leaves showed a rapid decline in Pmax and LMA compared with north-facing leaves. On the other hand, there was no difference in chlorophyll contents and chlorophyll a/b ratio between leaves irrespective of leaf orientation. These results indicate that tulip tree must has a wide range of plasticity which can develop sun- and shade-typed leaves temporarily depending on light conditions.

광덕산 산림식생에 관한 식물사회학적 연구

박범진,박용목 청주대학교 2004 産業科學硏究 Vol.22 No.1

To assess the healthiness of forest ecosystem of Mt. Kwangdok the vegetational study was carried out by the Zurich-Montpellier school's traditional approach. The forest vegetation in Mt. Kwangdok was classified into 4 communities as follows; Quercus variabilis community, Q. mongolian community, Pinus densiflora community and Larix leptolepis community. L. leptolepis and P. rigida communities afforested were developed to the altitude of about 350 m. P. densiflora community was distributed to the altitude of about 450 m. From 450 m to 600 m in altitude Q. mongolian community was developed on the west and notheast side ridgeline, while Q. uariabilis community was distributed on the southeast ridgeline and area at the altitude above 600 m.